]>
Commit | Line | Data |
---|---|---|
1 | /* | |
2 | BlueZ - Bluetooth protocol stack for Linux | |
3 | ||
4 | Copyright (C) 2010 Nokia Corporation | |
5 | Copyright (C) 2011-2012 Intel Corporation | |
6 | ||
7 | This program is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License version 2 as | |
9 | published by the Free Software Foundation; | |
10 | ||
11 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS | |
12 | OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
13 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. | |
14 | IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY | |
15 | CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES | |
16 | WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN | |
17 | ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF | |
18 | OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. | |
19 | ||
20 | ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS, | |
21 | COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS | |
22 | SOFTWARE IS DISCLAIMED. | |
23 | */ | |
24 | ||
25 | /* Bluetooth HCI Management interface */ | |
26 | ||
27 | #include <linux/module.h> | |
28 | #include <asm/unaligned.h> | |
29 | ||
30 | #include <net/bluetooth/bluetooth.h> | |
31 | #include <net/bluetooth/hci_core.h> | |
32 | #include <net/bluetooth/l2cap.h> | |
33 | #include <net/bluetooth/mgmt.h> | |
34 | ||
35 | #include "smp.h" | |
36 | ||
37 | #define MGMT_VERSION 1 | |
38 | #define MGMT_REVISION 7 | |
39 | ||
40 | static const u16 mgmt_commands[] = { | |
41 | MGMT_OP_READ_INDEX_LIST, | |
42 | MGMT_OP_READ_INFO, | |
43 | MGMT_OP_SET_POWERED, | |
44 | MGMT_OP_SET_DISCOVERABLE, | |
45 | MGMT_OP_SET_CONNECTABLE, | |
46 | MGMT_OP_SET_FAST_CONNECTABLE, | |
47 | MGMT_OP_SET_BONDABLE, | |
48 | MGMT_OP_SET_LINK_SECURITY, | |
49 | MGMT_OP_SET_SSP, | |
50 | MGMT_OP_SET_HS, | |
51 | MGMT_OP_SET_LE, | |
52 | MGMT_OP_SET_DEV_CLASS, | |
53 | MGMT_OP_SET_LOCAL_NAME, | |
54 | MGMT_OP_ADD_UUID, | |
55 | MGMT_OP_REMOVE_UUID, | |
56 | MGMT_OP_LOAD_LINK_KEYS, | |
57 | MGMT_OP_LOAD_LONG_TERM_KEYS, | |
58 | MGMT_OP_DISCONNECT, | |
59 | MGMT_OP_GET_CONNECTIONS, | |
60 | MGMT_OP_PIN_CODE_REPLY, | |
61 | MGMT_OP_PIN_CODE_NEG_REPLY, | |
62 | MGMT_OP_SET_IO_CAPABILITY, | |
63 | MGMT_OP_PAIR_DEVICE, | |
64 | MGMT_OP_CANCEL_PAIR_DEVICE, | |
65 | MGMT_OP_UNPAIR_DEVICE, | |
66 | MGMT_OP_USER_CONFIRM_REPLY, | |
67 | MGMT_OP_USER_CONFIRM_NEG_REPLY, | |
68 | MGMT_OP_USER_PASSKEY_REPLY, | |
69 | MGMT_OP_USER_PASSKEY_NEG_REPLY, | |
70 | MGMT_OP_READ_LOCAL_OOB_DATA, | |
71 | MGMT_OP_ADD_REMOTE_OOB_DATA, | |
72 | MGMT_OP_REMOVE_REMOTE_OOB_DATA, | |
73 | MGMT_OP_START_DISCOVERY, | |
74 | MGMT_OP_STOP_DISCOVERY, | |
75 | MGMT_OP_CONFIRM_NAME, | |
76 | MGMT_OP_BLOCK_DEVICE, | |
77 | MGMT_OP_UNBLOCK_DEVICE, | |
78 | MGMT_OP_SET_DEVICE_ID, | |
79 | MGMT_OP_SET_ADVERTISING, | |
80 | MGMT_OP_SET_BREDR, | |
81 | MGMT_OP_SET_STATIC_ADDRESS, | |
82 | MGMT_OP_SET_SCAN_PARAMS, | |
83 | MGMT_OP_SET_SECURE_CONN, | |
84 | MGMT_OP_SET_DEBUG_KEYS, | |
85 | MGMT_OP_SET_PRIVACY, | |
86 | MGMT_OP_LOAD_IRKS, | |
87 | MGMT_OP_GET_CONN_INFO, | |
88 | MGMT_OP_GET_CLOCK_INFO, | |
89 | MGMT_OP_ADD_DEVICE, | |
90 | MGMT_OP_REMOVE_DEVICE, | |
91 | MGMT_OP_LOAD_CONN_PARAM, | |
92 | MGMT_OP_READ_UNCONF_INDEX_LIST, | |
93 | MGMT_OP_READ_CONFIG_INFO, | |
94 | MGMT_OP_SET_EXTERNAL_CONFIG, | |
95 | MGMT_OP_SET_PUBLIC_ADDRESS, | |
96 | }; | |
97 | ||
98 | static const u16 mgmt_events[] = { | |
99 | MGMT_EV_CONTROLLER_ERROR, | |
100 | MGMT_EV_INDEX_ADDED, | |
101 | MGMT_EV_INDEX_REMOVED, | |
102 | MGMT_EV_NEW_SETTINGS, | |
103 | MGMT_EV_CLASS_OF_DEV_CHANGED, | |
104 | MGMT_EV_LOCAL_NAME_CHANGED, | |
105 | MGMT_EV_NEW_LINK_KEY, | |
106 | MGMT_EV_NEW_LONG_TERM_KEY, | |
107 | MGMT_EV_DEVICE_CONNECTED, | |
108 | MGMT_EV_DEVICE_DISCONNECTED, | |
109 | MGMT_EV_CONNECT_FAILED, | |
110 | MGMT_EV_PIN_CODE_REQUEST, | |
111 | MGMT_EV_USER_CONFIRM_REQUEST, | |
112 | MGMT_EV_USER_PASSKEY_REQUEST, | |
113 | MGMT_EV_AUTH_FAILED, | |
114 | MGMT_EV_DEVICE_FOUND, | |
115 | MGMT_EV_DISCOVERING, | |
116 | MGMT_EV_DEVICE_BLOCKED, | |
117 | MGMT_EV_DEVICE_UNBLOCKED, | |
118 | MGMT_EV_DEVICE_UNPAIRED, | |
119 | MGMT_EV_PASSKEY_NOTIFY, | |
120 | MGMT_EV_NEW_IRK, | |
121 | MGMT_EV_NEW_CSRK, | |
122 | MGMT_EV_DEVICE_ADDED, | |
123 | MGMT_EV_DEVICE_REMOVED, | |
124 | MGMT_EV_NEW_CONN_PARAM, | |
125 | MGMT_EV_UNCONF_INDEX_ADDED, | |
126 | MGMT_EV_UNCONF_INDEX_REMOVED, | |
127 | MGMT_EV_NEW_CONFIG_OPTIONS, | |
128 | }; | |
129 | ||
130 | #define CACHE_TIMEOUT msecs_to_jiffies(2 * 1000) | |
131 | ||
132 | struct pending_cmd { | |
133 | struct list_head list; | |
134 | u16 opcode; | |
135 | int index; | |
136 | void *param; | |
137 | struct sock *sk; | |
138 | void *user_data; | |
139 | }; | |
140 | ||
141 | /* HCI to MGMT error code conversion table */ | |
142 | static u8 mgmt_status_table[] = { | |
143 | MGMT_STATUS_SUCCESS, | |
144 | MGMT_STATUS_UNKNOWN_COMMAND, /* Unknown Command */ | |
145 | MGMT_STATUS_NOT_CONNECTED, /* No Connection */ | |
146 | MGMT_STATUS_FAILED, /* Hardware Failure */ | |
147 | MGMT_STATUS_CONNECT_FAILED, /* Page Timeout */ | |
148 | MGMT_STATUS_AUTH_FAILED, /* Authentication Failed */ | |
149 | MGMT_STATUS_AUTH_FAILED, /* PIN or Key Missing */ | |
150 | MGMT_STATUS_NO_RESOURCES, /* Memory Full */ | |
151 | MGMT_STATUS_TIMEOUT, /* Connection Timeout */ | |
152 | MGMT_STATUS_NO_RESOURCES, /* Max Number of Connections */ | |
153 | MGMT_STATUS_NO_RESOURCES, /* Max Number of SCO Connections */ | |
154 | MGMT_STATUS_ALREADY_CONNECTED, /* ACL Connection Exists */ | |
155 | MGMT_STATUS_BUSY, /* Command Disallowed */ | |
156 | MGMT_STATUS_NO_RESOURCES, /* Rejected Limited Resources */ | |
157 | MGMT_STATUS_REJECTED, /* Rejected Security */ | |
158 | MGMT_STATUS_REJECTED, /* Rejected Personal */ | |
159 | MGMT_STATUS_TIMEOUT, /* Host Timeout */ | |
160 | MGMT_STATUS_NOT_SUPPORTED, /* Unsupported Feature */ | |
161 | MGMT_STATUS_INVALID_PARAMS, /* Invalid Parameters */ | |
162 | MGMT_STATUS_DISCONNECTED, /* OE User Ended Connection */ | |
163 | MGMT_STATUS_NO_RESOURCES, /* OE Low Resources */ | |
164 | MGMT_STATUS_DISCONNECTED, /* OE Power Off */ | |
165 | MGMT_STATUS_DISCONNECTED, /* Connection Terminated */ | |
166 | MGMT_STATUS_BUSY, /* Repeated Attempts */ | |
167 | MGMT_STATUS_REJECTED, /* Pairing Not Allowed */ | |
168 | MGMT_STATUS_FAILED, /* Unknown LMP PDU */ | |
169 | MGMT_STATUS_NOT_SUPPORTED, /* Unsupported Remote Feature */ | |
170 | MGMT_STATUS_REJECTED, /* SCO Offset Rejected */ | |
171 | MGMT_STATUS_REJECTED, /* SCO Interval Rejected */ | |
172 | MGMT_STATUS_REJECTED, /* Air Mode Rejected */ | |
173 | MGMT_STATUS_INVALID_PARAMS, /* Invalid LMP Parameters */ | |
174 | MGMT_STATUS_FAILED, /* Unspecified Error */ | |
175 | MGMT_STATUS_NOT_SUPPORTED, /* Unsupported LMP Parameter Value */ | |
176 | MGMT_STATUS_FAILED, /* Role Change Not Allowed */ | |
177 | MGMT_STATUS_TIMEOUT, /* LMP Response Timeout */ | |
178 | MGMT_STATUS_FAILED, /* LMP Error Transaction Collision */ | |
179 | MGMT_STATUS_FAILED, /* LMP PDU Not Allowed */ | |
180 | MGMT_STATUS_REJECTED, /* Encryption Mode Not Accepted */ | |
181 | MGMT_STATUS_FAILED, /* Unit Link Key Used */ | |
182 | MGMT_STATUS_NOT_SUPPORTED, /* QoS Not Supported */ | |
183 | MGMT_STATUS_TIMEOUT, /* Instant Passed */ | |
184 | MGMT_STATUS_NOT_SUPPORTED, /* Pairing Not Supported */ | |
185 | MGMT_STATUS_FAILED, /* Transaction Collision */ | |
186 | MGMT_STATUS_INVALID_PARAMS, /* Unacceptable Parameter */ | |
187 | MGMT_STATUS_REJECTED, /* QoS Rejected */ | |
188 | MGMT_STATUS_NOT_SUPPORTED, /* Classification Not Supported */ | |
189 | MGMT_STATUS_REJECTED, /* Insufficient Security */ | |
190 | MGMT_STATUS_INVALID_PARAMS, /* Parameter Out Of Range */ | |
191 | MGMT_STATUS_BUSY, /* Role Switch Pending */ | |
192 | MGMT_STATUS_FAILED, /* Slot Violation */ | |
193 | MGMT_STATUS_FAILED, /* Role Switch Failed */ | |
194 | MGMT_STATUS_INVALID_PARAMS, /* EIR Too Large */ | |
195 | MGMT_STATUS_NOT_SUPPORTED, /* Simple Pairing Not Supported */ | |
196 | MGMT_STATUS_BUSY, /* Host Busy Pairing */ | |
197 | MGMT_STATUS_REJECTED, /* Rejected, No Suitable Channel */ | |
198 | MGMT_STATUS_BUSY, /* Controller Busy */ | |
199 | MGMT_STATUS_INVALID_PARAMS, /* Unsuitable Connection Interval */ | |
200 | MGMT_STATUS_TIMEOUT, /* Directed Advertising Timeout */ | |
201 | MGMT_STATUS_AUTH_FAILED, /* Terminated Due to MIC Failure */ | |
202 | MGMT_STATUS_CONNECT_FAILED, /* Connection Establishment Failed */ | |
203 | MGMT_STATUS_CONNECT_FAILED, /* MAC Connection Failed */ | |
204 | }; | |
205 | ||
206 | static u8 mgmt_status(u8 hci_status) | |
207 | { | |
208 | if (hci_status < ARRAY_SIZE(mgmt_status_table)) | |
209 | return mgmt_status_table[hci_status]; | |
210 | ||
211 | return MGMT_STATUS_FAILED; | |
212 | } | |
213 | ||
214 | static int mgmt_event(u16 event, struct hci_dev *hdev, void *data, u16 data_len, | |
215 | struct sock *skip_sk) | |
216 | { | |
217 | struct sk_buff *skb; | |
218 | struct mgmt_hdr *hdr; | |
219 | ||
220 | skb = alloc_skb(sizeof(*hdr) + data_len, GFP_KERNEL); | |
221 | if (!skb) | |
222 | return -ENOMEM; | |
223 | ||
224 | hdr = (void *) skb_put(skb, sizeof(*hdr)); | |
225 | hdr->opcode = cpu_to_le16(event); | |
226 | if (hdev) | |
227 | hdr->index = cpu_to_le16(hdev->id); | |
228 | else | |
229 | hdr->index = cpu_to_le16(MGMT_INDEX_NONE); | |
230 | hdr->len = cpu_to_le16(data_len); | |
231 | ||
232 | if (data) | |
233 | memcpy(skb_put(skb, data_len), data, data_len); | |
234 | ||
235 | /* Time stamp */ | |
236 | __net_timestamp(skb); | |
237 | ||
238 | hci_send_to_control(skb, skip_sk); | |
239 | kfree_skb(skb); | |
240 | ||
241 | return 0; | |
242 | } | |
243 | ||
244 | static int cmd_status(struct sock *sk, u16 index, u16 cmd, u8 status) | |
245 | { | |
246 | struct sk_buff *skb; | |
247 | struct mgmt_hdr *hdr; | |
248 | struct mgmt_ev_cmd_status *ev; | |
249 | int err; | |
250 | ||
251 | BT_DBG("sock %p, index %u, cmd %u, status %u", sk, index, cmd, status); | |
252 | ||
253 | skb = alloc_skb(sizeof(*hdr) + sizeof(*ev), GFP_KERNEL); | |
254 | if (!skb) | |
255 | return -ENOMEM; | |
256 | ||
257 | hdr = (void *) skb_put(skb, sizeof(*hdr)); | |
258 | ||
259 | hdr->opcode = cpu_to_le16(MGMT_EV_CMD_STATUS); | |
260 | hdr->index = cpu_to_le16(index); | |
261 | hdr->len = cpu_to_le16(sizeof(*ev)); | |
262 | ||
263 | ev = (void *) skb_put(skb, sizeof(*ev)); | |
264 | ev->status = status; | |
265 | ev->opcode = cpu_to_le16(cmd); | |
266 | ||
267 | err = sock_queue_rcv_skb(sk, skb); | |
268 | if (err < 0) | |
269 | kfree_skb(skb); | |
270 | ||
271 | return err; | |
272 | } | |
273 | ||
274 | static int cmd_complete(struct sock *sk, u16 index, u16 cmd, u8 status, | |
275 | void *rp, size_t rp_len) | |
276 | { | |
277 | struct sk_buff *skb; | |
278 | struct mgmt_hdr *hdr; | |
279 | struct mgmt_ev_cmd_complete *ev; | |
280 | int err; | |
281 | ||
282 | BT_DBG("sock %p", sk); | |
283 | ||
284 | skb = alloc_skb(sizeof(*hdr) + sizeof(*ev) + rp_len, GFP_KERNEL); | |
285 | if (!skb) | |
286 | return -ENOMEM; | |
287 | ||
288 | hdr = (void *) skb_put(skb, sizeof(*hdr)); | |
289 | ||
290 | hdr->opcode = cpu_to_le16(MGMT_EV_CMD_COMPLETE); | |
291 | hdr->index = cpu_to_le16(index); | |
292 | hdr->len = cpu_to_le16(sizeof(*ev) + rp_len); | |
293 | ||
294 | ev = (void *) skb_put(skb, sizeof(*ev) + rp_len); | |
295 | ev->opcode = cpu_to_le16(cmd); | |
296 | ev->status = status; | |
297 | ||
298 | if (rp) | |
299 | memcpy(ev->data, rp, rp_len); | |
300 | ||
301 | err = sock_queue_rcv_skb(sk, skb); | |
302 | if (err < 0) | |
303 | kfree_skb(skb); | |
304 | ||
305 | return err; | |
306 | } | |
307 | ||
308 | static int read_version(struct sock *sk, struct hci_dev *hdev, void *data, | |
309 | u16 data_len) | |
310 | { | |
311 | struct mgmt_rp_read_version rp; | |
312 | ||
313 | BT_DBG("sock %p", sk); | |
314 | ||
315 | rp.version = MGMT_VERSION; | |
316 | rp.revision = cpu_to_le16(MGMT_REVISION); | |
317 | ||
318 | return cmd_complete(sk, MGMT_INDEX_NONE, MGMT_OP_READ_VERSION, 0, &rp, | |
319 | sizeof(rp)); | |
320 | } | |
321 | ||
322 | static int read_commands(struct sock *sk, struct hci_dev *hdev, void *data, | |
323 | u16 data_len) | |
324 | { | |
325 | struct mgmt_rp_read_commands *rp; | |
326 | const u16 num_commands = ARRAY_SIZE(mgmt_commands); | |
327 | const u16 num_events = ARRAY_SIZE(mgmt_events); | |
328 | __le16 *opcode; | |
329 | size_t rp_size; | |
330 | int i, err; | |
331 | ||
332 | BT_DBG("sock %p", sk); | |
333 | ||
334 | rp_size = sizeof(*rp) + ((num_commands + num_events) * sizeof(u16)); | |
335 | ||
336 | rp = kmalloc(rp_size, GFP_KERNEL); | |
337 | if (!rp) | |
338 | return -ENOMEM; | |
339 | ||
340 | rp->num_commands = cpu_to_le16(num_commands); | |
341 | rp->num_events = cpu_to_le16(num_events); | |
342 | ||
343 | for (i = 0, opcode = rp->opcodes; i < num_commands; i++, opcode++) | |
344 | put_unaligned_le16(mgmt_commands[i], opcode); | |
345 | ||
346 | for (i = 0; i < num_events; i++, opcode++) | |
347 | put_unaligned_le16(mgmt_events[i], opcode); | |
348 | ||
349 | err = cmd_complete(sk, MGMT_INDEX_NONE, MGMT_OP_READ_COMMANDS, 0, rp, | |
350 | rp_size); | |
351 | kfree(rp); | |
352 | ||
353 | return err; | |
354 | } | |
355 | ||
356 | static int read_index_list(struct sock *sk, struct hci_dev *hdev, void *data, | |
357 | u16 data_len) | |
358 | { | |
359 | struct mgmt_rp_read_index_list *rp; | |
360 | struct hci_dev *d; | |
361 | size_t rp_len; | |
362 | u16 count; | |
363 | int err; | |
364 | ||
365 | BT_DBG("sock %p", sk); | |
366 | ||
367 | read_lock(&hci_dev_list_lock); | |
368 | ||
369 | count = 0; | |
370 | list_for_each_entry(d, &hci_dev_list, list) { | |
371 | if (d->dev_type == HCI_BREDR && | |
372 | !test_bit(HCI_UNCONFIGURED, &d->dev_flags)) | |
373 | count++; | |
374 | } | |
375 | ||
376 | rp_len = sizeof(*rp) + (2 * count); | |
377 | rp = kmalloc(rp_len, GFP_ATOMIC); | |
378 | if (!rp) { | |
379 | read_unlock(&hci_dev_list_lock); | |
380 | return -ENOMEM; | |
381 | } | |
382 | ||
383 | count = 0; | |
384 | list_for_each_entry(d, &hci_dev_list, list) { | |
385 | if (test_bit(HCI_SETUP, &d->dev_flags) || | |
386 | test_bit(HCI_CONFIG, &d->dev_flags) || | |
387 | test_bit(HCI_USER_CHANNEL, &d->dev_flags)) | |
388 | continue; | |
389 | ||
390 | /* Devices marked as raw-only are neither configured | |
391 | * nor unconfigured controllers. | |
392 | */ | |
393 | if (test_bit(HCI_QUIRK_RAW_DEVICE, &d->quirks)) | |
394 | continue; | |
395 | ||
396 | if (d->dev_type == HCI_BREDR && | |
397 | !test_bit(HCI_UNCONFIGURED, &d->dev_flags)) { | |
398 | rp->index[count++] = cpu_to_le16(d->id); | |
399 | BT_DBG("Added hci%u", d->id); | |
400 | } | |
401 | } | |
402 | ||
403 | rp->num_controllers = cpu_to_le16(count); | |
404 | rp_len = sizeof(*rp) + (2 * count); | |
405 | ||
406 | read_unlock(&hci_dev_list_lock); | |
407 | ||
408 | err = cmd_complete(sk, MGMT_INDEX_NONE, MGMT_OP_READ_INDEX_LIST, 0, rp, | |
409 | rp_len); | |
410 | ||
411 | kfree(rp); | |
412 | ||
413 | return err; | |
414 | } | |
415 | ||
416 | static int read_unconf_index_list(struct sock *sk, struct hci_dev *hdev, | |
417 | void *data, u16 data_len) | |
418 | { | |
419 | struct mgmt_rp_read_unconf_index_list *rp; | |
420 | struct hci_dev *d; | |
421 | size_t rp_len; | |
422 | u16 count; | |
423 | int err; | |
424 | ||
425 | BT_DBG("sock %p", sk); | |
426 | ||
427 | read_lock(&hci_dev_list_lock); | |
428 | ||
429 | count = 0; | |
430 | list_for_each_entry(d, &hci_dev_list, list) { | |
431 | if (d->dev_type == HCI_BREDR && | |
432 | test_bit(HCI_UNCONFIGURED, &d->dev_flags)) | |
433 | count++; | |
434 | } | |
435 | ||
436 | rp_len = sizeof(*rp) + (2 * count); | |
437 | rp = kmalloc(rp_len, GFP_ATOMIC); | |
438 | if (!rp) { | |
439 | read_unlock(&hci_dev_list_lock); | |
440 | return -ENOMEM; | |
441 | } | |
442 | ||
443 | count = 0; | |
444 | list_for_each_entry(d, &hci_dev_list, list) { | |
445 | if (test_bit(HCI_SETUP, &d->dev_flags) || | |
446 | test_bit(HCI_CONFIG, &d->dev_flags) || | |
447 | test_bit(HCI_USER_CHANNEL, &d->dev_flags)) | |
448 | continue; | |
449 | ||
450 | /* Devices marked as raw-only are neither configured | |
451 | * nor unconfigured controllers. | |
452 | */ | |
453 | if (test_bit(HCI_QUIRK_RAW_DEVICE, &d->quirks)) | |
454 | continue; | |
455 | ||
456 | if (d->dev_type == HCI_BREDR && | |
457 | test_bit(HCI_UNCONFIGURED, &d->dev_flags)) { | |
458 | rp->index[count++] = cpu_to_le16(d->id); | |
459 | BT_DBG("Added hci%u", d->id); | |
460 | } | |
461 | } | |
462 | ||
463 | rp->num_controllers = cpu_to_le16(count); | |
464 | rp_len = sizeof(*rp) + (2 * count); | |
465 | ||
466 | read_unlock(&hci_dev_list_lock); | |
467 | ||
468 | err = cmd_complete(sk, MGMT_INDEX_NONE, MGMT_OP_READ_UNCONF_INDEX_LIST, | |
469 | 0, rp, rp_len); | |
470 | ||
471 | kfree(rp); | |
472 | ||
473 | return err; | |
474 | } | |
475 | ||
476 | static bool is_configured(struct hci_dev *hdev) | |
477 | { | |
478 | if (test_bit(HCI_QUIRK_EXTERNAL_CONFIG, &hdev->quirks) && | |
479 | !test_bit(HCI_EXT_CONFIGURED, &hdev->dev_flags)) | |
480 | return false; | |
481 | ||
482 | if (test_bit(HCI_QUIRK_INVALID_BDADDR, &hdev->quirks) && | |
483 | !bacmp(&hdev->public_addr, BDADDR_ANY)) | |
484 | return false; | |
485 | ||
486 | return true; | |
487 | } | |
488 | ||
489 | static __le32 get_missing_options(struct hci_dev *hdev) | |
490 | { | |
491 | u32 options = 0; | |
492 | ||
493 | if (test_bit(HCI_QUIRK_EXTERNAL_CONFIG, &hdev->quirks) && | |
494 | !test_bit(HCI_EXT_CONFIGURED, &hdev->dev_flags)) | |
495 | options |= MGMT_OPTION_EXTERNAL_CONFIG; | |
496 | ||
497 | if (test_bit(HCI_QUIRK_INVALID_BDADDR, &hdev->quirks) && | |
498 | !bacmp(&hdev->public_addr, BDADDR_ANY)) | |
499 | options |= MGMT_OPTION_PUBLIC_ADDRESS; | |
500 | ||
501 | return cpu_to_le32(options); | |
502 | } | |
503 | ||
504 | static int new_options(struct hci_dev *hdev, struct sock *skip) | |
505 | { | |
506 | __le32 options = get_missing_options(hdev); | |
507 | ||
508 | return mgmt_event(MGMT_EV_NEW_CONFIG_OPTIONS, hdev, &options, | |
509 | sizeof(options), skip); | |
510 | } | |
511 | ||
512 | static int send_options_rsp(struct sock *sk, u16 opcode, struct hci_dev *hdev) | |
513 | { | |
514 | __le32 options = get_missing_options(hdev); | |
515 | ||
516 | return cmd_complete(sk, hdev->id, opcode, 0, &options, | |
517 | sizeof(options)); | |
518 | } | |
519 | ||
520 | static int read_config_info(struct sock *sk, struct hci_dev *hdev, | |
521 | void *data, u16 data_len) | |
522 | { | |
523 | struct mgmt_rp_read_config_info rp; | |
524 | u32 options = 0; | |
525 | ||
526 | BT_DBG("sock %p %s", sk, hdev->name); | |
527 | ||
528 | hci_dev_lock(hdev); | |
529 | ||
530 | memset(&rp, 0, sizeof(rp)); | |
531 | rp.manufacturer = cpu_to_le16(hdev->manufacturer); | |
532 | ||
533 | if (test_bit(HCI_QUIRK_EXTERNAL_CONFIG, &hdev->quirks)) | |
534 | options |= MGMT_OPTION_EXTERNAL_CONFIG; | |
535 | ||
536 | if (hdev->set_bdaddr) | |
537 | options |= MGMT_OPTION_PUBLIC_ADDRESS; | |
538 | ||
539 | rp.supported_options = cpu_to_le32(options); | |
540 | rp.missing_options = get_missing_options(hdev); | |
541 | ||
542 | hci_dev_unlock(hdev); | |
543 | ||
544 | return cmd_complete(sk, hdev->id, MGMT_OP_READ_CONFIG_INFO, 0, &rp, | |
545 | sizeof(rp)); | |
546 | } | |
547 | ||
548 | static u32 get_supported_settings(struct hci_dev *hdev) | |
549 | { | |
550 | u32 settings = 0; | |
551 | ||
552 | settings |= MGMT_SETTING_POWERED; | |
553 | settings |= MGMT_SETTING_BONDABLE; | |
554 | settings |= MGMT_SETTING_DEBUG_KEYS; | |
555 | settings |= MGMT_SETTING_CONNECTABLE; | |
556 | settings |= MGMT_SETTING_DISCOVERABLE; | |
557 | ||
558 | if (lmp_bredr_capable(hdev)) { | |
559 | if (hdev->hci_ver >= BLUETOOTH_VER_1_2) | |
560 | settings |= MGMT_SETTING_FAST_CONNECTABLE; | |
561 | settings |= MGMT_SETTING_BREDR; | |
562 | settings |= MGMT_SETTING_LINK_SECURITY; | |
563 | ||
564 | if (lmp_ssp_capable(hdev)) { | |
565 | settings |= MGMT_SETTING_SSP; | |
566 | settings |= MGMT_SETTING_HS; | |
567 | } | |
568 | ||
569 | if (lmp_sc_capable(hdev) || | |
570 | test_bit(HCI_FORCE_SC, &hdev->dbg_flags)) | |
571 | settings |= MGMT_SETTING_SECURE_CONN; | |
572 | } | |
573 | ||
574 | if (lmp_le_capable(hdev)) { | |
575 | settings |= MGMT_SETTING_LE; | |
576 | settings |= MGMT_SETTING_ADVERTISING; | |
577 | settings |= MGMT_SETTING_PRIVACY; | |
578 | } | |
579 | ||
580 | if (test_bit(HCI_QUIRK_EXTERNAL_CONFIG, &hdev->quirks) || | |
581 | hdev->set_bdaddr) | |
582 | settings |= MGMT_SETTING_CONFIGURATION; | |
583 | ||
584 | return settings; | |
585 | } | |
586 | ||
587 | static u32 get_current_settings(struct hci_dev *hdev) | |
588 | { | |
589 | u32 settings = 0; | |
590 | ||
591 | if (hdev_is_powered(hdev)) | |
592 | settings |= MGMT_SETTING_POWERED; | |
593 | ||
594 | if (test_bit(HCI_CONNECTABLE, &hdev->dev_flags)) | |
595 | settings |= MGMT_SETTING_CONNECTABLE; | |
596 | ||
597 | if (test_bit(HCI_FAST_CONNECTABLE, &hdev->dev_flags)) | |
598 | settings |= MGMT_SETTING_FAST_CONNECTABLE; | |
599 | ||
600 | if (test_bit(HCI_DISCOVERABLE, &hdev->dev_flags)) | |
601 | settings |= MGMT_SETTING_DISCOVERABLE; | |
602 | ||
603 | if (test_bit(HCI_BONDABLE, &hdev->dev_flags)) | |
604 | settings |= MGMT_SETTING_BONDABLE; | |
605 | ||
606 | if (test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags)) | |
607 | settings |= MGMT_SETTING_BREDR; | |
608 | ||
609 | if (test_bit(HCI_LE_ENABLED, &hdev->dev_flags)) | |
610 | settings |= MGMT_SETTING_LE; | |
611 | ||
612 | if (test_bit(HCI_LINK_SECURITY, &hdev->dev_flags)) | |
613 | settings |= MGMT_SETTING_LINK_SECURITY; | |
614 | ||
615 | if (test_bit(HCI_SSP_ENABLED, &hdev->dev_flags)) | |
616 | settings |= MGMT_SETTING_SSP; | |
617 | ||
618 | if (test_bit(HCI_HS_ENABLED, &hdev->dev_flags)) | |
619 | settings |= MGMT_SETTING_HS; | |
620 | ||
621 | if (test_bit(HCI_ADVERTISING, &hdev->dev_flags)) | |
622 | settings |= MGMT_SETTING_ADVERTISING; | |
623 | ||
624 | if (test_bit(HCI_SC_ENABLED, &hdev->dev_flags)) | |
625 | settings |= MGMT_SETTING_SECURE_CONN; | |
626 | ||
627 | if (test_bit(HCI_KEEP_DEBUG_KEYS, &hdev->dev_flags)) | |
628 | settings |= MGMT_SETTING_DEBUG_KEYS; | |
629 | ||
630 | if (test_bit(HCI_PRIVACY, &hdev->dev_flags)) | |
631 | settings |= MGMT_SETTING_PRIVACY; | |
632 | ||
633 | return settings; | |
634 | } | |
635 | ||
636 | #define PNP_INFO_SVCLASS_ID 0x1200 | |
637 | ||
638 | static u8 *create_uuid16_list(struct hci_dev *hdev, u8 *data, ptrdiff_t len) | |
639 | { | |
640 | u8 *ptr = data, *uuids_start = NULL; | |
641 | struct bt_uuid *uuid; | |
642 | ||
643 | if (len < 4) | |
644 | return ptr; | |
645 | ||
646 | list_for_each_entry(uuid, &hdev->uuids, list) { | |
647 | u16 uuid16; | |
648 | ||
649 | if (uuid->size != 16) | |
650 | continue; | |
651 | ||
652 | uuid16 = get_unaligned_le16(&uuid->uuid[12]); | |
653 | if (uuid16 < 0x1100) | |
654 | continue; | |
655 | ||
656 | if (uuid16 == PNP_INFO_SVCLASS_ID) | |
657 | continue; | |
658 | ||
659 | if (!uuids_start) { | |
660 | uuids_start = ptr; | |
661 | uuids_start[0] = 1; | |
662 | uuids_start[1] = EIR_UUID16_ALL; | |
663 | ptr += 2; | |
664 | } | |
665 | ||
666 | /* Stop if not enough space to put next UUID */ | |
667 | if ((ptr - data) + sizeof(u16) > len) { | |
668 | uuids_start[1] = EIR_UUID16_SOME; | |
669 | break; | |
670 | } | |
671 | ||
672 | *ptr++ = (uuid16 & 0x00ff); | |
673 | *ptr++ = (uuid16 & 0xff00) >> 8; | |
674 | uuids_start[0] += sizeof(uuid16); | |
675 | } | |
676 | ||
677 | return ptr; | |
678 | } | |
679 | ||
680 | static u8 *create_uuid32_list(struct hci_dev *hdev, u8 *data, ptrdiff_t len) | |
681 | { | |
682 | u8 *ptr = data, *uuids_start = NULL; | |
683 | struct bt_uuid *uuid; | |
684 | ||
685 | if (len < 6) | |
686 | return ptr; | |
687 | ||
688 | list_for_each_entry(uuid, &hdev->uuids, list) { | |
689 | if (uuid->size != 32) | |
690 | continue; | |
691 | ||
692 | if (!uuids_start) { | |
693 | uuids_start = ptr; | |
694 | uuids_start[0] = 1; | |
695 | uuids_start[1] = EIR_UUID32_ALL; | |
696 | ptr += 2; | |
697 | } | |
698 | ||
699 | /* Stop if not enough space to put next UUID */ | |
700 | if ((ptr - data) + sizeof(u32) > len) { | |
701 | uuids_start[1] = EIR_UUID32_SOME; | |
702 | break; | |
703 | } | |
704 | ||
705 | memcpy(ptr, &uuid->uuid[12], sizeof(u32)); | |
706 | ptr += sizeof(u32); | |
707 | uuids_start[0] += sizeof(u32); | |
708 | } | |
709 | ||
710 | return ptr; | |
711 | } | |
712 | ||
713 | static u8 *create_uuid128_list(struct hci_dev *hdev, u8 *data, ptrdiff_t len) | |
714 | { | |
715 | u8 *ptr = data, *uuids_start = NULL; | |
716 | struct bt_uuid *uuid; | |
717 | ||
718 | if (len < 18) | |
719 | return ptr; | |
720 | ||
721 | list_for_each_entry(uuid, &hdev->uuids, list) { | |
722 | if (uuid->size != 128) | |
723 | continue; | |
724 | ||
725 | if (!uuids_start) { | |
726 | uuids_start = ptr; | |
727 | uuids_start[0] = 1; | |
728 | uuids_start[1] = EIR_UUID128_ALL; | |
729 | ptr += 2; | |
730 | } | |
731 | ||
732 | /* Stop if not enough space to put next UUID */ | |
733 | if ((ptr - data) + 16 > len) { | |
734 | uuids_start[1] = EIR_UUID128_SOME; | |
735 | break; | |
736 | } | |
737 | ||
738 | memcpy(ptr, uuid->uuid, 16); | |
739 | ptr += 16; | |
740 | uuids_start[0] += 16; | |
741 | } | |
742 | ||
743 | return ptr; | |
744 | } | |
745 | ||
746 | static struct pending_cmd *mgmt_pending_find(u16 opcode, struct hci_dev *hdev) | |
747 | { | |
748 | struct pending_cmd *cmd; | |
749 | ||
750 | list_for_each_entry(cmd, &hdev->mgmt_pending, list) { | |
751 | if (cmd->opcode == opcode) | |
752 | return cmd; | |
753 | } | |
754 | ||
755 | return NULL; | |
756 | } | |
757 | ||
758 | static struct pending_cmd *mgmt_pending_find_data(u16 opcode, | |
759 | struct hci_dev *hdev, | |
760 | const void *data) | |
761 | { | |
762 | struct pending_cmd *cmd; | |
763 | ||
764 | list_for_each_entry(cmd, &hdev->mgmt_pending, list) { | |
765 | if (cmd->user_data != data) | |
766 | continue; | |
767 | if (cmd->opcode == opcode) | |
768 | return cmd; | |
769 | } | |
770 | ||
771 | return NULL; | |
772 | } | |
773 | ||
774 | static u8 create_scan_rsp_data(struct hci_dev *hdev, u8 *ptr) | |
775 | { | |
776 | u8 ad_len = 0; | |
777 | size_t name_len; | |
778 | ||
779 | name_len = strlen(hdev->dev_name); | |
780 | if (name_len > 0) { | |
781 | size_t max_len = HCI_MAX_AD_LENGTH - ad_len - 2; | |
782 | ||
783 | if (name_len > max_len) { | |
784 | name_len = max_len; | |
785 | ptr[1] = EIR_NAME_SHORT; | |
786 | } else | |
787 | ptr[1] = EIR_NAME_COMPLETE; | |
788 | ||
789 | ptr[0] = name_len + 1; | |
790 | ||
791 | memcpy(ptr + 2, hdev->dev_name, name_len); | |
792 | ||
793 | ad_len += (name_len + 2); | |
794 | ptr += (name_len + 2); | |
795 | } | |
796 | ||
797 | return ad_len; | |
798 | } | |
799 | ||
800 | static void update_scan_rsp_data(struct hci_request *req) | |
801 | { | |
802 | struct hci_dev *hdev = req->hdev; | |
803 | struct hci_cp_le_set_scan_rsp_data cp; | |
804 | u8 len; | |
805 | ||
806 | if (!test_bit(HCI_LE_ENABLED, &hdev->dev_flags)) | |
807 | return; | |
808 | ||
809 | memset(&cp, 0, sizeof(cp)); | |
810 | ||
811 | len = create_scan_rsp_data(hdev, cp.data); | |
812 | ||
813 | if (hdev->scan_rsp_data_len == len && | |
814 | memcmp(cp.data, hdev->scan_rsp_data, len) == 0) | |
815 | return; | |
816 | ||
817 | memcpy(hdev->scan_rsp_data, cp.data, sizeof(cp.data)); | |
818 | hdev->scan_rsp_data_len = len; | |
819 | ||
820 | cp.length = len; | |
821 | ||
822 | hci_req_add(req, HCI_OP_LE_SET_SCAN_RSP_DATA, sizeof(cp), &cp); | |
823 | } | |
824 | ||
825 | static u8 get_adv_discov_flags(struct hci_dev *hdev) | |
826 | { | |
827 | struct pending_cmd *cmd; | |
828 | ||
829 | /* If there's a pending mgmt command the flags will not yet have | |
830 | * their final values, so check for this first. | |
831 | */ | |
832 | cmd = mgmt_pending_find(MGMT_OP_SET_DISCOVERABLE, hdev); | |
833 | if (cmd) { | |
834 | struct mgmt_mode *cp = cmd->param; | |
835 | if (cp->val == 0x01) | |
836 | return LE_AD_GENERAL; | |
837 | else if (cp->val == 0x02) | |
838 | return LE_AD_LIMITED; | |
839 | } else { | |
840 | if (test_bit(HCI_LIMITED_DISCOVERABLE, &hdev->dev_flags)) | |
841 | return LE_AD_LIMITED; | |
842 | else if (test_bit(HCI_DISCOVERABLE, &hdev->dev_flags)) | |
843 | return LE_AD_GENERAL; | |
844 | } | |
845 | ||
846 | return 0; | |
847 | } | |
848 | ||
849 | static u8 create_adv_data(struct hci_dev *hdev, u8 *ptr) | |
850 | { | |
851 | u8 ad_len = 0, flags = 0; | |
852 | ||
853 | flags |= get_adv_discov_flags(hdev); | |
854 | ||
855 | if (!test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags)) | |
856 | flags |= LE_AD_NO_BREDR; | |
857 | ||
858 | if (flags) { | |
859 | BT_DBG("adv flags 0x%02x", flags); | |
860 | ||
861 | ptr[0] = 2; | |
862 | ptr[1] = EIR_FLAGS; | |
863 | ptr[2] = flags; | |
864 | ||
865 | ad_len += 3; | |
866 | ptr += 3; | |
867 | } | |
868 | ||
869 | if (hdev->adv_tx_power != HCI_TX_POWER_INVALID) { | |
870 | ptr[0] = 2; | |
871 | ptr[1] = EIR_TX_POWER; | |
872 | ptr[2] = (u8) hdev->adv_tx_power; | |
873 | ||
874 | ad_len += 3; | |
875 | ptr += 3; | |
876 | } | |
877 | ||
878 | return ad_len; | |
879 | } | |
880 | ||
881 | static void update_adv_data(struct hci_request *req) | |
882 | { | |
883 | struct hci_dev *hdev = req->hdev; | |
884 | struct hci_cp_le_set_adv_data cp; | |
885 | u8 len; | |
886 | ||
887 | if (!test_bit(HCI_LE_ENABLED, &hdev->dev_flags)) | |
888 | return; | |
889 | ||
890 | memset(&cp, 0, sizeof(cp)); | |
891 | ||
892 | len = create_adv_data(hdev, cp.data); | |
893 | ||
894 | if (hdev->adv_data_len == len && | |
895 | memcmp(cp.data, hdev->adv_data, len) == 0) | |
896 | return; | |
897 | ||
898 | memcpy(hdev->adv_data, cp.data, sizeof(cp.data)); | |
899 | hdev->adv_data_len = len; | |
900 | ||
901 | cp.length = len; | |
902 | ||
903 | hci_req_add(req, HCI_OP_LE_SET_ADV_DATA, sizeof(cp), &cp); | |
904 | } | |
905 | ||
906 | int mgmt_update_adv_data(struct hci_dev *hdev) | |
907 | { | |
908 | struct hci_request req; | |
909 | ||
910 | hci_req_init(&req, hdev); | |
911 | update_adv_data(&req); | |
912 | ||
913 | return hci_req_run(&req, NULL); | |
914 | } | |
915 | ||
916 | static void create_eir(struct hci_dev *hdev, u8 *data) | |
917 | { | |
918 | u8 *ptr = data; | |
919 | size_t name_len; | |
920 | ||
921 | name_len = strlen(hdev->dev_name); | |
922 | ||
923 | if (name_len > 0) { | |
924 | /* EIR Data type */ | |
925 | if (name_len > 48) { | |
926 | name_len = 48; | |
927 | ptr[1] = EIR_NAME_SHORT; | |
928 | } else | |
929 | ptr[1] = EIR_NAME_COMPLETE; | |
930 | ||
931 | /* EIR Data length */ | |
932 | ptr[0] = name_len + 1; | |
933 | ||
934 | memcpy(ptr + 2, hdev->dev_name, name_len); | |
935 | ||
936 | ptr += (name_len + 2); | |
937 | } | |
938 | ||
939 | if (hdev->inq_tx_power != HCI_TX_POWER_INVALID) { | |
940 | ptr[0] = 2; | |
941 | ptr[1] = EIR_TX_POWER; | |
942 | ptr[2] = (u8) hdev->inq_tx_power; | |
943 | ||
944 | ptr += 3; | |
945 | } | |
946 | ||
947 | if (hdev->devid_source > 0) { | |
948 | ptr[0] = 9; | |
949 | ptr[1] = EIR_DEVICE_ID; | |
950 | ||
951 | put_unaligned_le16(hdev->devid_source, ptr + 2); | |
952 | put_unaligned_le16(hdev->devid_vendor, ptr + 4); | |
953 | put_unaligned_le16(hdev->devid_product, ptr + 6); | |
954 | put_unaligned_le16(hdev->devid_version, ptr + 8); | |
955 | ||
956 | ptr += 10; | |
957 | } | |
958 | ||
959 | ptr = create_uuid16_list(hdev, ptr, HCI_MAX_EIR_LENGTH - (ptr - data)); | |
960 | ptr = create_uuid32_list(hdev, ptr, HCI_MAX_EIR_LENGTH - (ptr - data)); | |
961 | ptr = create_uuid128_list(hdev, ptr, HCI_MAX_EIR_LENGTH - (ptr - data)); | |
962 | } | |
963 | ||
964 | static void update_eir(struct hci_request *req) | |
965 | { | |
966 | struct hci_dev *hdev = req->hdev; | |
967 | struct hci_cp_write_eir cp; | |
968 | ||
969 | if (!hdev_is_powered(hdev)) | |
970 | return; | |
971 | ||
972 | if (!lmp_ext_inq_capable(hdev)) | |
973 | return; | |
974 | ||
975 | if (!test_bit(HCI_SSP_ENABLED, &hdev->dev_flags)) | |
976 | return; | |
977 | ||
978 | if (test_bit(HCI_SERVICE_CACHE, &hdev->dev_flags)) | |
979 | return; | |
980 | ||
981 | memset(&cp, 0, sizeof(cp)); | |
982 | ||
983 | create_eir(hdev, cp.data); | |
984 | ||
985 | if (memcmp(cp.data, hdev->eir, sizeof(cp.data)) == 0) | |
986 | return; | |
987 | ||
988 | memcpy(hdev->eir, cp.data, sizeof(cp.data)); | |
989 | ||
990 | hci_req_add(req, HCI_OP_WRITE_EIR, sizeof(cp), &cp); | |
991 | } | |
992 | ||
993 | static u8 get_service_classes(struct hci_dev *hdev) | |
994 | { | |
995 | struct bt_uuid *uuid; | |
996 | u8 val = 0; | |
997 | ||
998 | list_for_each_entry(uuid, &hdev->uuids, list) | |
999 | val |= uuid->svc_hint; | |
1000 | ||
1001 | return val; | |
1002 | } | |
1003 | ||
1004 | static void update_class(struct hci_request *req) | |
1005 | { | |
1006 | struct hci_dev *hdev = req->hdev; | |
1007 | u8 cod[3]; | |
1008 | ||
1009 | BT_DBG("%s", hdev->name); | |
1010 | ||
1011 | if (!hdev_is_powered(hdev)) | |
1012 | return; | |
1013 | ||
1014 | if (!test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags)) | |
1015 | return; | |
1016 | ||
1017 | if (test_bit(HCI_SERVICE_CACHE, &hdev->dev_flags)) | |
1018 | return; | |
1019 | ||
1020 | cod[0] = hdev->minor_class; | |
1021 | cod[1] = hdev->major_class; | |
1022 | cod[2] = get_service_classes(hdev); | |
1023 | ||
1024 | if (test_bit(HCI_LIMITED_DISCOVERABLE, &hdev->dev_flags)) | |
1025 | cod[1] |= 0x20; | |
1026 | ||
1027 | if (memcmp(cod, hdev->dev_class, 3) == 0) | |
1028 | return; | |
1029 | ||
1030 | hci_req_add(req, HCI_OP_WRITE_CLASS_OF_DEV, sizeof(cod), cod); | |
1031 | } | |
1032 | ||
1033 | static bool get_connectable(struct hci_dev *hdev) | |
1034 | { | |
1035 | struct pending_cmd *cmd; | |
1036 | ||
1037 | /* If there's a pending mgmt command the flag will not yet have | |
1038 | * it's final value, so check for this first. | |
1039 | */ | |
1040 | cmd = mgmt_pending_find(MGMT_OP_SET_CONNECTABLE, hdev); | |
1041 | if (cmd) { | |
1042 | struct mgmt_mode *cp = cmd->param; | |
1043 | return cp->val; | |
1044 | } | |
1045 | ||
1046 | return test_bit(HCI_CONNECTABLE, &hdev->dev_flags); | |
1047 | } | |
1048 | ||
1049 | static void disable_advertising(struct hci_request *req) | |
1050 | { | |
1051 | u8 enable = 0x00; | |
1052 | ||
1053 | hci_req_add(req, HCI_OP_LE_SET_ADV_ENABLE, sizeof(enable), &enable); | |
1054 | } | |
1055 | ||
1056 | static void enable_advertising(struct hci_request *req) | |
1057 | { | |
1058 | struct hci_dev *hdev = req->hdev; | |
1059 | struct hci_cp_le_set_adv_param cp; | |
1060 | u8 own_addr_type, enable = 0x01; | |
1061 | bool connectable; | |
1062 | ||
1063 | if (hci_conn_num(hdev, LE_LINK) > 0) | |
1064 | return; | |
1065 | ||
1066 | if (test_bit(HCI_LE_ADV, &hdev->dev_flags)) | |
1067 | disable_advertising(req); | |
1068 | ||
1069 | /* Clear the HCI_LE_ADV bit temporarily so that the | |
1070 | * hci_update_random_address knows that it's safe to go ahead | |
1071 | * and write a new random address. The flag will be set back on | |
1072 | * as soon as the SET_ADV_ENABLE HCI command completes. | |
1073 | */ | |
1074 | clear_bit(HCI_LE_ADV, &hdev->dev_flags); | |
1075 | ||
1076 | connectable = get_connectable(hdev); | |
1077 | ||
1078 | /* Set require_privacy to true only when non-connectable | |
1079 | * advertising is used. In that case it is fine to use a | |
1080 | * non-resolvable private address. | |
1081 | */ | |
1082 | if (hci_update_random_address(req, !connectable, &own_addr_type) < 0) | |
1083 | return; | |
1084 | ||
1085 | memset(&cp, 0, sizeof(cp)); | |
1086 | cp.min_interval = cpu_to_le16(hdev->le_adv_min_interval); | |
1087 | cp.max_interval = cpu_to_le16(hdev->le_adv_max_interval); | |
1088 | cp.type = connectable ? LE_ADV_IND : LE_ADV_NONCONN_IND; | |
1089 | cp.own_address_type = own_addr_type; | |
1090 | cp.channel_map = hdev->le_adv_channel_map; | |
1091 | ||
1092 | hci_req_add(req, HCI_OP_LE_SET_ADV_PARAM, sizeof(cp), &cp); | |
1093 | ||
1094 | hci_req_add(req, HCI_OP_LE_SET_ADV_ENABLE, sizeof(enable), &enable); | |
1095 | } | |
1096 | ||
1097 | static void service_cache_off(struct work_struct *work) | |
1098 | { | |
1099 | struct hci_dev *hdev = container_of(work, struct hci_dev, | |
1100 | service_cache.work); | |
1101 | struct hci_request req; | |
1102 | ||
1103 | if (!test_and_clear_bit(HCI_SERVICE_CACHE, &hdev->dev_flags)) | |
1104 | return; | |
1105 | ||
1106 | hci_req_init(&req, hdev); | |
1107 | ||
1108 | hci_dev_lock(hdev); | |
1109 | ||
1110 | update_eir(&req); | |
1111 | update_class(&req); | |
1112 | ||
1113 | hci_dev_unlock(hdev); | |
1114 | ||
1115 | hci_req_run(&req, NULL); | |
1116 | } | |
1117 | ||
1118 | static void rpa_expired(struct work_struct *work) | |
1119 | { | |
1120 | struct hci_dev *hdev = container_of(work, struct hci_dev, | |
1121 | rpa_expired.work); | |
1122 | struct hci_request req; | |
1123 | ||
1124 | BT_DBG(""); | |
1125 | ||
1126 | set_bit(HCI_RPA_EXPIRED, &hdev->dev_flags); | |
1127 | ||
1128 | if (!test_bit(HCI_ADVERTISING, &hdev->dev_flags)) | |
1129 | return; | |
1130 | ||
1131 | /* The generation of a new RPA and programming it into the | |
1132 | * controller happens in the enable_advertising() function. | |
1133 | */ | |
1134 | hci_req_init(&req, hdev); | |
1135 | enable_advertising(&req); | |
1136 | hci_req_run(&req, NULL); | |
1137 | } | |
1138 | ||
1139 | static void mgmt_init_hdev(struct sock *sk, struct hci_dev *hdev) | |
1140 | { | |
1141 | if (test_and_set_bit(HCI_MGMT, &hdev->dev_flags)) | |
1142 | return; | |
1143 | ||
1144 | INIT_DELAYED_WORK(&hdev->service_cache, service_cache_off); | |
1145 | INIT_DELAYED_WORK(&hdev->rpa_expired, rpa_expired); | |
1146 | ||
1147 | /* Non-mgmt controlled devices get this bit set | |
1148 | * implicitly so that pairing works for them, however | |
1149 | * for mgmt we require user-space to explicitly enable | |
1150 | * it | |
1151 | */ | |
1152 | clear_bit(HCI_BONDABLE, &hdev->dev_flags); | |
1153 | } | |
1154 | ||
1155 | static int read_controller_info(struct sock *sk, struct hci_dev *hdev, | |
1156 | void *data, u16 data_len) | |
1157 | { | |
1158 | struct mgmt_rp_read_info rp; | |
1159 | ||
1160 | BT_DBG("sock %p %s", sk, hdev->name); | |
1161 | ||
1162 | hci_dev_lock(hdev); | |
1163 | ||
1164 | memset(&rp, 0, sizeof(rp)); | |
1165 | ||
1166 | bacpy(&rp.bdaddr, &hdev->bdaddr); | |
1167 | ||
1168 | rp.version = hdev->hci_ver; | |
1169 | rp.manufacturer = cpu_to_le16(hdev->manufacturer); | |
1170 | ||
1171 | rp.supported_settings = cpu_to_le32(get_supported_settings(hdev)); | |
1172 | rp.current_settings = cpu_to_le32(get_current_settings(hdev)); | |
1173 | ||
1174 | memcpy(rp.dev_class, hdev->dev_class, 3); | |
1175 | ||
1176 | memcpy(rp.name, hdev->dev_name, sizeof(hdev->dev_name)); | |
1177 | memcpy(rp.short_name, hdev->short_name, sizeof(hdev->short_name)); | |
1178 | ||
1179 | hci_dev_unlock(hdev); | |
1180 | ||
1181 | return cmd_complete(sk, hdev->id, MGMT_OP_READ_INFO, 0, &rp, | |
1182 | sizeof(rp)); | |
1183 | } | |
1184 | ||
1185 | static void mgmt_pending_free(struct pending_cmd *cmd) | |
1186 | { | |
1187 | sock_put(cmd->sk); | |
1188 | kfree(cmd->param); | |
1189 | kfree(cmd); | |
1190 | } | |
1191 | ||
1192 | static struct pending_cmd *mgmt_pending_add(struct sock *sk, u16 opcode, | |
1193 | struct hci_dev *hdev, void *data, | |
1194 | u16 len) | |
1195 | { | |
1196 | struct pending_cmd *cmd; | |
1197 | ||
1198 | cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); | |
1199 | if (!cmd) | |
1200 | return NULL; | |
1201 | ||
1202 | cmd->opcode = opcode; | |
1203 | cmd->index = hdev->id; | |
1204 | ||
1205 | cmd->param = kmalloc(len, GFP_KERNEL); | |
1206 | if (!cmd->param) { | |
1207 | kfree(cmd); | |
1208 | return NULL; | |
1209 | } | |
1210 | ||
1211 | if (data) | |
1212 | memcpy(cmd->param, data, len); | |
1213 | ||
1214 | cmd->sk = sk; | |
1215 | sock_hold(sk); | |
1216 | ||
1217 | list_add(&cmd->list, &hdev->mgmt_pending); | |
1218 | ||
1219 | return cmd; | |
1220 | } | |
1221 | ||
1222 | static void mgmt_pending_foreach(u16 opcode, struct hci_dev *hdev, | |
1223 | void (*cb)(struct pending_cmd *cmd, | |
1224 | void *data), | |
1225 | void *data) | |
1226 | { | |
1227 | struct pending_cmd *cmd, *tmp; | |
1228 | ||
1229 | list_for_each_entry_safe(cmd, tmp, &hdev->mgmt_pending, list) { | |
1230 | if (opcode > 0 && cmd->opcode != opcode) | |
1231 | continue; | |
1232 | ||
1233 | cb(cmd, data); | |
1234 | } | |
1235 | } | |
1236 | ||
1237 | static void mgmt_pending_remove(struct pending_cmd *cmd) | |
1238 | { | |
1239 | list_del(&cmd->list); | |
1240 | mgmt_pending_free(cmd); | |
1241 | } | |
1242 | ||
1243 | static int send_settings_rsp(struct sock *sk, u16 opcode, struct hci_dev *hdev) | |
1244 | { | |
1245 | __le32 settings = cpu_to_le32(get_current_settings(hdev)); | |
1246 | ||
1247 | return cmd_complete(sk, hdev->id, opcode, 0, &settings, | |
1248 | sizeof(settings)); | |
1249 | } | |
1250 | ||
1251 | static void clean_up_hci_complete(struct hci_dev *hdev, u8 status) | |
1252 | { | |
1253 | BT_DBG("%s status 0x%02x", hdev->name, status); | |
1254 | ||
1255 | if (hci_conn_count(hdev) == 0) { | |
1256 | cancel_delayed_work(&hdev->power_off); | |
1257 | queue_work(hdev->req_workqueue, &hdev->power_off.work); | |
1258 | } | |
1259 | } | |
1260 | ||
1261 | static bool hci_stop_discovery(struct hci_request *req) | |
1262 | { | |
1263 | struct hci_dev *hdev = req->hdev; | |
1264 | struct hci_cp_remote_name_req_cancel cp; | |
1265 | struct inquiry_entry *e; | |
1266 | ||
1267 | switch (hdev->discovery.state) { | |
1268 | case DISCOVERY_FINDING: | |
1269 | if (test_bit(HCI_INQUIRY, &hdev->flags)) { | |
1270 | hci_req_add(req, HCI_OP_INQUIRY_CANCEL, 0, NULL); | |
1271 | } else { | |
1272 | cancel_delayed_work(&hdev->le_scan_disable); | |
1273 | hci_req_add_le_scan_disable(req); | |
1274 | } | |
1275 | ||
1276 | return true; | |
1277 | ||
1278 | case DISCOVERY_RESOLVING: | |
1279 | e = hci_inquiry_cache_lookup_resolve(hdev, BDADDR_ANY, | |
1280 | NAME_PENDING); | |
1281 | if (!e) | |
1282 | break; | |
1283 | ||
1284 | bacpy(&cp.bdaddr, &e->data.bdaddr); | |
1285 | hci_req_add(req, HCI_OP_REMOTE_NAME_REQ_CANCEL, sizeof(cp), | |
1286 | &cp); | |
1287 | ||
1288 | return true; | |
1289 | ||
1290 | default: | |
1291 | /* Passive scanning */ | |
1292 | if (test_bit(HCI_LE_SCAN, &hdev->dev_flags)) { | |
1293 | hci_req_add_le_scan_disable(req); | |
1294 | return true; | |
1295 | } | |
1296 | ||
1297 | break; | |
1298 | } | |
1299 | ||
1300 | return false; | |
1301 | } | |
1302 | ||
1303 | static int clean_up_hci_state(struct hci_dev *hdev) | |
1304 | { | |
1305 | struct hci_request req; | |
1306 | struct hci_conn *conn; | |
1307 | bool discov_stopped; | |
1308 | int err; | |
1309 | ||
1310 | hci_req_init(&req, hdev); | |
1311 | ||
1312 | if (test_bit(HCI_ISCAN, &hdev->flags) || | |
1313 | test_bit(HCI_PSCAN, &hdev->flags)) { | |
1314 | u8 scan = 0x00; | |
1315 | hci_req_add(&req, HCI_OP_WRITE_SCAN_ENABLE, 1, &scan); | |
1316 | } | |
1317 | ||
1318 | if (test_bit(HCI_LE_ADV, &hdev->dev_flags)) | |
1319 | disable_advertising(&req); | |
1320 | ||
1321 | discov_stopped = hci_stop_discovery(&req); | |
1322 | ||
1323 | list_for_each_entry(conn, &hdev->conn_hash.list, list) { | |
1324 | struct hci_cp_disconnect dc; | |
1325 | struct hci_cp_reject_conn_req rej; | |
1326 | ||
1327 | switch (conn->state) { | |
1328 | case BT_CONNECTED: | |
1329 | case BT_CONFIG: | |
1330 | dc.handle = cpu_to_le16(conn->handle); | |
1331 | dc.reason = 0x15; /* Terminated due to Power Off */ | |
1332 | hci_req_add(&req, HCI_OP_DISCONNECT, sizeof(dc), &dc); | |
1333 | break; | |
1334 | case BT_CONNECT: | |
1335 | if (conn->type == LE_LINK) | |
1336 | hci_req_add(&req, HCI_OP_LE_CREATE_CONN_CANCEL, | |
1337 | 0, NULL); | |
1338 | else if (conn->type == ACL_LINK) | |
1339 | hci_req_add(&req, HCI_OP_CREATE_CONN_CANCEL, | |
1340 | 6, &conn->dst); | |
1341 | break; | |
1342 | case BT_CONNECT2: | |
1343 | bacpy(&rej.bdaddr, &conn->dst); | |
1344 | rej.reason = 0x15; /* Terminated due to Power Off */ | |
1345 | if (conn->type == ACL_LINK) | |
1346 | hci_req_add(&req, HCI_OP_REJECT_CONN_REQ, | |
1347 | sizeof(rej), &rej); | |
1348 | else if (conn->type == SCO_LINK) | |
1349 | hci_req_add(&req, HCI_OP_REJECT_SYNC_CONN_REQ, | |
1350 | sizeof(rej), &rej); | |
1351 | break; | |
1352 | } | |
1353 | } | |
1354 | ||
1355 | err = hci_req_run(&req, clean_up_hci_complete); | |
1356 | if (!err && discov_stopped) | |
1357 | hci_discovery_set_state(hdev, DISCOVERY_STOPPING); | |
1358 | ||
1359 | return err; | |
1360 | } | |
1361 | ||
1362 | static int set_powered(struct sock *sk, struct hci_dev *hdev, void *data, | |
1363 | u16 len) | |
1364 | { | |
1365 | struct mgmt_mode *cp = data; | |
1366 | struct pending_cmd *cmd; | |
1367 | int err; | |
1368 | ||
1369 | BT_DBG("request for %s", hdev->name); | |
1370 | ||
1371 | if (cp->val != 0x00 && cp->val != 0x01) | |
1372 | return cmd_status(sk, hdev->id, MGMT_OP_SET_POWERED, | |
1373 | MGMT_STATUS_INVALID_PARAMS); | |
1374 | ||
1375 | hci_dev_lock(hdev); | |
1376 | ||
1377 | if (mgmt_pending_find(MGMT_OP_SET_POWERED, hdev)) { | |
1378 | err = cmd_status(sk, hdev->id, MGMT_OP_SET_POWERED, | |
1379 | MGMT_STATUS_BUSY); | |
1380 | goto failed; | |
1381 | } | |
1382 | ||
1383 | if (test_and_clear_bit(HCI_AUTO_OFF, &hdev->dev_flags)) { | |
1384 | cancel_delayed_work(&hdev->power_off); | |
1385 | ||
1386 | if (cp->val) { | |
1387 | mgmt_pending_add(sk, MGMT_OP_SET_POWERED, hdev, | |
1388 | data, len); | |
1389 | err = mgmt_powered(hdev, 1); | |
1390 | goto failed; | |
1391 | } | |
1392 | } | |
1393 | ||
1394 | if (!!cp->val == hdev_is_powered(hdev)) { | |
1395 | err = send_settings_rsp(sk, MGMT_OP_SET_POWERED, hdev); | |
1396 | goto failed; | |
1397 | } | |
1398 | ||
1399 | cmd = mgmt_pending_add(sk, MGMT_OP_SET_POWERED, hdev, data, len); | |
1400 | if (!cmd) { | |
1401 | err = -ENOMEM; | |
1402 | goto failed; | |
1403 | } | |
1404 | ||
1405 | if (cp->val) { | |
1406 | queue_work(hdev->req_workqueue, &hdev->power_on); | |
1407 | err = 0; | |
1408 | } else { | |
1409 | /* Disconnect connections, stop scans, etc */ | |
1410 | err = clean_up_hci_state(hdev); | |
1411 | if (!err) | |
1412 | queue_delayed_work(hdev->req_workqueue, &hdev->power_off, | |
1413 | HCI_POWER_OFF_TIMEOUT); | |
1414 | ||
1415 | /* ENODATA means there were no HCI commands queued */ | |
1416 | if (err == -ENODATA) { | |
1417 | cancel_delayed_work(&hdev->power_off); | |
1418 | queue_work(hdev->req_workqueue, &hdev->power_off.work); | |
1419 | err = 0; | |
1420 | } | |
1421 | } | |
1422 | ||
1423 | failed: | |
1424 | hci_dev_unlock(hdev); | |
1425 | return err; | |
1426 | } | |
1427 | ||
1428 | static int new_settings(struct hci_dev *hdev, struct sock *skip) | |
1429 | { | |
1430 | __le32 ev; | |
1431 | ||
1432 | ev = cpu_to_le32(get_current_settings(hdev)); | |
1433 | ||
1434 | return mgmt_event(MGMT_EV_NEW_SETTINGS, hdev, &ev, sizeof(ev), skip); | |
1435 | } | |
1436 | ||
1437 | int mgmt_new_settings(struct hci_dev *hdev) | |
1438 | { | |
1439 | return new_settings(hdev, NULL); | |
1440 | } | |
1441 | ||
1442 | struct cmd_lookup { | |
1443 | struct sock *sk; | |
1444 | struct hci_dev *hdev; | |
1445 | u8 mgmt_status; | |
1446 | }; | |
1447 | ||
1448 | static void settings_rsp(struct pending_cmd *cmd, void *data) | |
1449 | { | |
1450 | struct cmd_lookup *match = data; | |
1451 | ||
1452 | send_settings_rsp(cmd->sk, cmd->opcode, match->hdev); | |
1453 | ||
1454 | list_del(&cmd->list); | |
1455 | ||
1456 | if (match->sk == NULL) { | |
1457 | match->sk = cmd->sk; | |
1458 | sock_hold(match->sk); | |
1459 | } | |
1460 | ||
1461 | mgmt_pending_free(cmd); | |
1462 | } | |
1463 | ||
1464 | static void cmd_status_rsp(struct pending_cmd *cmd, void *data) | |
1465 | { | |
1466 | u8 *status = data; | |
1467 | ||
1468 | cmd_status(cmd->sk, cmd->index, cmd->opcode, *status); | |
1469 | mgmt_pending_remove(cmd); | |
1470 | } | |
1471 | ||
1472 | static u8 mgmt_bredr_support(struct hci_dev *hdev) | |
1473 | { | |
1474 | if (!lmp_bredr_capable(hdev)) | |
1475 | return MGMT_STATUS_NOT_SUPPORTED; | |
1476 | else if (!test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags)) | |
1477 | return MGMT_STATUS_REJECTED; | |
1478 | else | |
1479 | return MGMT_STATUS_SUCCESS; | |
1480 | } | |
1481 | ||
1482 | static u8 mgmt_le_support(struct hci_dev *hdev) | |
1483 | { | |
1484 | if (!lmp_le_capable(hdev)) | |
1485 | return MGMT_STATUS_NOT_SUPPORTED; | |
1486 | else if (!test_bit(HCI_LE_ENABLED, &hdev->dev_flags)) | |
1487 | return MGMT_STATUS_REJECTED; | |
1488 | else | |
1489 | return MGMT_STATUS_SUCCESS; | |
1490 | } | |
1491 | ||
1492 | static void set_discoverable_complete(struct hci_dev *hdev, u8 status) | |
1493 | { | |
1494 | struct pending_cmd *cmd; | |
1495 | struct mgmt_mode *cp; | |
1496 | struct hci_request req; | |
1497 | bool changed; | |
1498 | ||
1499 | BT_DBG("status 0x%02x", status); | |
1500 | ||
1501 | hci_dev_lock(hdev); | |
1502 | ||
1503 | cmd = mgmt_pending_find(MGMT_OP_SET_DISCOVERABLE, hdev); | |
1504 | if (!cmd) | |
1505 | goto unlock; | |
1506 | ||
1507 | if (status) { | |
1508 | u8 mgmt_err = mgmt_status(status); | |
1509 | cmd_status(cmd->sk, cmd->index, cmd->opcode, mgmt_err); | |
1510 | clear_bit(HCI_LIMITED_DISCOVERABLE, &hdev->dev_flags); | |
1511 | goto remove_cmd; | |
1512 | } | |
1513 | ||
1514 | cp = cmd->param; | |
1515 | if (cp->val) { | |
1516 | changed = !test_and_set_bit(HCI_DISCOVERABLE, | |
1517 | &hdev->dev_flags); | |
1518 | ||
1519 | if (hdev->discov_timeout > 0) { | |
1520 | int to = msecs_to_jiffies(hdev->discov_timeout * 1000); | |
1521 | queue_delayed_work(hdev->workqueue, &hdev->discov_off, | |
1522 | to); | |
1523 | } | |
1524 | } else { | |
1525 | changed = test_and_clear_bit(HCI_DISCOVERABLE, | |
1526 | &hdev->dev_flags); | |
1527 | } | |
1528 | ||
1529 | send_settings_rsp(cmd->sk, MGMT_OP_SET_DISCOVERABLE, hdev); | |
1530 | ||
1531 | if (changed) | |
1532 | new_settings(hdev, cmd->sk); | |
1533 | ||
1534 | /* When the discoverable mode gets changed, make sure | |
1535 | * that class of device has the limited discoverable | |
1536 | * bit correctly set. Also update page scan based on whitelist | |
1537 | * entries. | |
1538 | */ | |
1539 | hci_req_init(&req, hdev); | |
1540 | hci_update_page_scan(hdev, &req); | |
1541 | update_class(&req); | |
1542 | hci_req_run(&req, NULL); | |
1543 | ||
1544 | remove_cmd: | |
1545 | mgmt_pending_remove(cmd); | |
1546 | ||
1547 | unlock: | |
1548 | hci_dev_unlock(hdev); | |
1549 | } | |
1550 | ||
1551 | static int set_discoverable(struct sock *sk, struct hci_dev *hdev, void *data, | |
1552 | u16 len) | |
1553 | { | |
1554 | struct mgmt_cp_set_discoverable *cp = data; | |
1555 | struct pending_cmd *cmd; | |
1556 | struct hci_request req; | |
1557 | u16 timeout; | |
1558 | u8 scan; | |
1559 | int err; | |
1560 | ||
1561 | BT_DBG("request for %s", hdev->name); | |
1562 | ||
1563 | if (!test_bit(HCI_LE_ENABLED, &hdev->dev_flags) && | |
1564 | !test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags)) | |
1565 | return cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE, | |
1566 | MGMT_STATUS_REJECTED); | |
1567 | ||
1568 | if (cp->val != 0x00 && cp->val != 0x01 && cp->val != 0x02) | |
1569 | return cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE, | |
1570 | MGMT_STATUS_INVALID_PARAMS); | |
1571 | ||
1572 | timeout = __le16_to_cpu(cp->timeout); | |
1573 | ||
1574 | /* Disabling discoverable requires that no timeout is set, | |
1575 | * and enabling limited discoverable requires a timeout. | |
1576 | */ | |
1577 | if ((cp->val == 0x00 && timeout > 0) || | |
1578 | (cp->val == 0x02 && timeout == 0)) | |
1579 | return cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE, | |
1580 | MGMT_STATUS_INVALID_PARAMS); | |
1581 | ||
1582 | hci_dev_lock(hdev); | |
1583 | ||
1584 | if (!hdev_is_powered(hdev) && timeout > 0) { | |
1585 | err = cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE, | |
1586 | MGMT_STATUS_NOT_POWERED); | |
1587 | goto failed; | |
1588 | } | |
1589 | ||
1590 | if (mgmt_pending_find(MGMT_OP_SET_DISCOVERABLE, hdev) || | |
1591 | mgmt_pending_find(MGMT_OP_SET_CONNECTABLE, hdev)) { | |
1592 | err = cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE, | |
1593 | MGMT_STATUS_BUSY); | |
1594 | goto failed; | |
1595 | } | |
1596 | ||
1597 | if (!test_bit(HCI_CONNECTABLE, &hdev->dev_flags)) { | |
1598 | err = cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE, | |
1599 | MGMT_STATUS_REJECTED); | |
1600 | goto failed; | |
1601 | } | |
1602 | ||
1603 | if (!hdev_is_powered(hdev)) { | |
1604 | bool changed = false; | |
1605 | ||
1606 | /* Setting limited discoverable when powered off is | |
1607 | * not a valid operation since it requires a timeout | |
1608 | * and so no need to check HCI_LIMITED_DISCOVERABLE. | |
1609 | */ | |
1610 | if (!!cp->val != test_bit(HCI_DISCOVERABLE, &hdev->dev_flags)) { | |
1611 | change_bit(HCI_DISCOVERABLE, &hdev->dev_flags); | |
1612 | changed = true; | |
1613 | } | |
1614 | ||
1615 | err = send_settings_rsp(sk, MGMT_OP_SET_DISCOVERABLE, hdev); | |
1616 | if (err < 0) | |
1617 | goto failed; | |
1618 | ||
1619 | if (changed) | |
1620 | err = new_settings(hdev, sk); | |
1621 | ||
1622 | goto failed; | |
1623 | } | |
1624 | ||
1625 | /* If the current mode is the same, then just update the timeout | |
1626 | * value with the new value. And if only the timeout gets updated, | |
1627 | * then no need for any HCI transactions. | |
1628 | */ | |
1629 | if (!!cp->val == test_bit(HCI_DISCOVERABLE, &hdev->dev_flags) && | |
1630 | (cp->val == 0x02) == test_bit(HCI_LIMITED_DISCOVERABLE, | |
1631 | &hdev->dev_flags)) { | |
1632 | cancel_delayed_work(&hdev->discov_off); | |
1633 | hdev->discov_timeout = timeout; | |
1634 | ||
1635 | if (cp->val && hdev->discov_timeout > 0) { | |
1636 | int to = msecs_to_jiffies(hdev->discov_timeout * 1000); | |
1637 | queue_delayed_work(hdev->workqueue, &hdev->discov_off, | |
1638 | to); | |
1639 | } | |
1640 | ||
1641 | err = send_settings_rsp(sk, MGMT_OP_SET_DISCOVERABLE, hdev); | |
1642 | goto failed; | |
1643 | } | |
1644 | ||
1645 | cmd = mgmt_pending_add(sk, MGMT_OP_SET_DISCOVERABLE, hdev, data, len); | |
1646 | if (!cmd) { | |
1647 | err = -ENOMEM; | |
1648 | goto failed; | |
1649 | } | |
1650 | ||
1651 | /* Cancel any potential discoverable timeout that might be | |
1652 | * still active and store new timeout value. The arming of | |
1653 | * the timeout happens in the complete handler. | |
1654 | */ | |
1655 | cancel_delayed_work(&hdev->discov_off); | |
1656 | hdev->discov_timeout = timeout; | |
1657 | ||
1658 | /* Limited discoverable mode */ | |
1659 | if (cp->val == 0x02) | |
1660 | set_bit(HCI_LIMITED_DISCOVERABLE, &hdev->dev_flags); | |
1661 | else | |
1662 | clear_bit(HCI_LIMITED_DISCOVERABLE, &hdev->dev_flags); | |
1663 | ||
1664 | hci_req_init(&req, hdev); | |
1665 | ||
1666 | /* The procedure for LE-only controllers is much simpler - just | |
1667 | * update the advertising data. | |
1668 | */ | |
1669 | if (!test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags)) | |
1670 | goto update_ad; | |
1671 | ||
1672 | scan = SCAN_PAGE; | |
1673 | ||
1674 | if (cp->val) { | |
1675 | struct hci_cp_write_current_iac_lap hci_cp; | |
1676 | ||
1677 | if (cp->val == 0x02) { | |
1678 | /* Limited discoverable mode */ | |
1679 | hci_cp.num_iac = min_t(u8, hdev->num_iac, 2); | |
1680 | hci_cp.iac_lap[0] = 0x00; /* LIAC */ | |
1681 | hci_cp.iac_lap[1] = 0x8b; | |
1682 | hci_cp.iac_lap[2] = 0x9e; | |
1683 | hci_cp.iac_lap[3] = 0x33; /* GIAC */ | |
1684 | hci_cp.iac_lap[4] = 0x8b; | |
1685 | hci_cp.iac_lap[5] = 0x9e; | |
1686 | } else { | |
1687 | /* General discoverable mode */ | |
1688 | hci_cp.num_iac = 1; | |
1689 | hci_cp.iac_lap[0] = 0x33; /* GIAC */ | |
1690 | hci_cp.iac_lap[1] = 0x8b; | |
1691 | hci_cp.iac_lap[2] = 0x9e; | |
1692 | } | |
1693 | ||
1694 | hci_req_add(&req, HCI_OP_WRITE_CURRENT_IAC_LAP, | |
1695 | (hci_cp.num_iac * 3) + 1, &hci_cp); | |
1696 | ||
1697 | scan |= SCAN_INQUIRY; | |
1698 | } else { | |
1699 | clear_bit(HCI_LIMITED_DISCOVERABLE, &hdev->dev_flags); | |
1700 | } | |
1701 | ||
1702 | hci_req_add(&req, HCI_OP_WRITE_SCAN_ENABLE, sizeof(scan), &scan); | |
1703 | ||
1704 | update_ad: | |
1705 | update_adv_data(&req); | |
1706 | ||
1707 | err = hci_req_run(&req, set_discoverable_complete); | |
1708 | if (err < 0) | |
1709 | mgmt_pending_remove(cmd); | |
1710 | ||
1711 | failed: | |
1712 | hci_dev_unlock(hdev); | |
1713 | return err; | |
1714 | } | |
1715 | ||
1716 | static void write_fast_connectable(struct hci_request *req, bool enable) | |
1717 | { | |
1718 | struct hci_dev *hdev = req->hdev; | |
1719 | struct hci_cp_write_page_scan_activity acp; | |
1720 | u8 type; | |
1721 | ||
1722 | if (!test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags)) | |
1723 | return; | |
1724 | ||
1725 | if (hdev->hci_ver < BLUETOOTH_VER_1_2) | |
1726 | return; | |
1727 | ||
1728 | if (enable) { | |
1729 | type = PAGE_SCAN_TYPE_INTERLACED; | |
1730 | ||
1731 | /* 160 msec page scan interval */ | |
1732 | acp.interval = cpu_to_le16(0x0100); | |
1733 | } else { | |
1734 | type = PAGE_SCAN_TYPE_STANDARD; /* default */ | |
1735 | ||
1736 | /* default 1.28 sec page scan */ | |
1737 | acp.interval = cpu_to_le16(0x0800); | |
1738 | } | |
1739 | ||
1740 | acp.window = cpu_to_le16(0x0012); | |
1741 | ||
1742 | if (__cpu_to_le16(hdev->page_scan_interval) != acp.interval || | |
1743 | __cpu_to_le16(hdev->page_scan_window) != acp.window) | |
1744 | hci_req_add(req, HCI_OP_WRITE_PAGE_SCAN_ACTIVITY, | |
1745 | sizeof(acp), &acp); | |
1746 | ||
1747 | if (hdev->page_scan_type != type) | |
1748 | hci_req_add(req, HCI_OP_WRITE_PAGE_SCAN_TYPE, 1, &type); | |
1749 | } | |
1750 | ||
1751 | static void set_connectable_complete(struct hci_dev *hdev, u8 status) | |
1752 | { | |
1753 | struct pending_cmd *cmd; | |
1754 | struct mgmt_mode *cp; | |
1755 | bool conn_changed, discov_changed; | |
1756 | ||
1757 | BT_DBG("status 0x%02x", status); | |
1758 | ||
1759 | hci_dev_lock(hdev); | |
1760 | ||
1761 | cmd = mgmt_pending_find(MGMT_OP_SET_CONNECTABLE, hdev); | |
1762 | if (!cmd) | |
1763 | goto unlock; | |
1764 | ||
1765 | if (status) { | |
1766 | u8 mgmt_err = mgmt_status(status); | |
1767 | cmd_status(cmd->sk, cmd->index, cmd->opcode, mgmt_err); | |
1768 | goto remove_cmd; | |
1769 | } | |
1770 | ||
1771 | cp = cmd->param; | |
1772 | if (cp->val) { | |
1773 | conn_changed = !test_and_set_bit(HCI_CONNECTABLE, | |
1774 | &hdev->dev_flags); | |
1775 | discov_changed = false; | |
1776 | } else { | |
1777 | conn_changed = test_and_clear_bit(HCI_CONNECTABLE, | |
1778 | &hdev->dev_flags); | |
1779 | discov_changed = test_and_clear_bit(HCI_DISCOVERABLE, | |
1780 | &hdev->dev_flags); | |
1781 | } | |
1782 | ||
1783 | send_settings_rsp(cmd->sk, MGMT_OP_SET_CONNECTABLE, hdev); | |
1784 | ||
1785 | if (conn_changed || discov_changed) { | |
1786 | new_settings(hdev, cmd->sk); | |
1787 | hci_update_page_scan(hdev, NULL); | |
1788 | if (discov_changed) | |
1789 | mgmt_update_adv_data(hdev); | |
1790 | hci_update_background_scan(hdev); | |
1791 | } | |
1792 | ||
1793 | remove_cmd: | |
1794 | mgmt_pending_remove(cmd); | |
1795 | ||
1796 | unlock: | |
1797 | hci_dev_unlock(hdev); | |
1798 | } | |
1799 | ||
1800 | static int set_connectable_update_settings(struct hci_dev *hdev, | |
1801 | struct sock *sk, u8 val) | |
1802 | { | |
1803 | bool changed = false; | |
1804 | int err; | |
1805 | ||
1806 | if (!!val != test_bit(HCI_CONNECTABLE, &hdev->dev_flags)) | |
1807 | changed = true; | |
1808 | ||
1809 | if (val) { | |
1810 | set_bit(HCI_CONNECTABLE, &hdev->dev_flags); | |
1811 | } else { | |
1812 | clear_bit(HCI_CONNECTABLE, &hdev->dev_flags); | |
1813 | clear_bit(HCI_DISCOVERABLE, &hdev->dev_flags); | |
1814 | } | |
1815 | ||
1816 | err = send_settings_rsp(sk, MGMT_OP_SET_CONNECTABLE, hdev); | |
1817 | if (err < 0) | |
1818 | return err; | |
1819 | ||
1820 | if (changed) { | |
1821 | hci_update_page_scan(hdev, NULL); | |
1822 | hci_update_background_scan(hdev); | |
1823 | return new_settings(hdev, sk); | |
1824 | } | |
1825 | ||
1826 | return 0; | |
1827 | } | |
1828 | ||
1829 | static int set_connectable(struct sock *sk, struct hci_dev *hdev, void *data, | |
1830 | u16 len) | |
1831 | { | |
1832 | struct mgmt_mode *cp = data; | |
1833 | struct pending_cmd *cmd; | |
1834 | struct hci_request req; | |
1835 | u8 scan; | |
1836 | int err; | |
1837 | ||
1838 | BT_DBG("request for %s", hdev->name); | |
1839 | ||
1840 | if (!test_bit(HCI_LE_ENABLED, &hdev->dev_flags) && | |
1841 | !test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags)) | |
1842 | return cmd_status(sk, hdev->id, MGMT_OP_SET_CONNECTABLE, | |
1843 | MGMT_STATUS_REJECTED); | |
1844 | ||
1845 | if (cp->val != 0x00 && cp->val != 0x01) | |
1846 | return cmd_status(sk, hdev->id, MGMT_OP_SET_CONNECTABLE, | |
1847 | MGMT_STATUS_INVALID_PARAMS); | |
1848 | ||
1849 | hci_dev_lock(hdev); | |
1850 | ||
1851 | if (!hdev_is_powered(hdev)) { | |
1852 | err = set_connectable_update_settings(hdev, sk, cp->val); | |
1853 | goto failed; | |
1854 | } | |
1855 | ||
1856 | if (mgmt_pending_find(MGMT_OP_SET_DISCOVERABLE, hdev) || | |
1857 | mgmt_pending_find(MGMT_OP_SET_CONNECTABLE, hdev)) { | |
1858 | err = cmd_status(sk, hdev->id, MGMT_OP_SET_CONNECTABLE, | |
1859 | MGMT_STATUS_BUSY); | |
1860 | goto failed; | |
1861 | } | |
1862 | ||
1863 | cmd = mgmt_pending_add(sk, MGMT_OP_SET_CONNECTABLE, hdev, data, len); | |
1864 | if (!cmd) { | |
1865 | err = -ENOMEM; | |
1866 | goto failed; | |
1867 | } | |
1868 | ||
1869 | hci_req_init(&req, hdev); | |
1870 | ||
1871 | /* If BR/EDR is not enabled and we disable advertising as a | |
1872 | * by-product of disabling connectable, we need to update the | |
1873 | * advertising flags. | |
1874 | */ | |
1875 | if (!test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags)) { | |
1876 | if (!cp->val) { | |
1877 | clear_bit(HCI_LIMITED_DISCOVERABLE, &hdev->dev_flags); | |
1878 | clear_bit(HCI_DISCOVERABLE, &hdev->dev_flags); | |
1879 | } | |
1880 | update_adv_data(&req); | |
1881 | } else if (cp->val != test_bit(HCI_PSCAN, &hdev->flags)) { | |
1882 | if (cp->val) { | |
1883 | scan = SCAN_PAGE; | |
1884 | } else { | |
1885 | /* If we don't have any whitelist entries just | |
1886 | * disable all scanning. If there are entries | |
1887 | * and we had both page and inquiry scanning | |
1888 | * enabled then fall back to only page scanning. | |
1889 | * Otherwise no changes are needed. | |
1890 | */ | |
1891 | if (list_empty(&hdev->whitelist)) | |
1892 | scan = SCAN_DISABLED; | |
1893 | else if (test_bit(HCI_ISCAN, &hdev->flags)) | |
1894 | scan = SCAN_PAGE; | |
1895 | else | |
1896 | goto no_scan_update; | |
1897 | ||
1898 | if (test_bit(HCI_ISCAN, &hdev->flags) && | |
1899 | hdev->discov_timeout > 0) | |
1900 | cancel_delayed_work(&hdev->discov_off); | |
1901 | } | |
1902 | ||
1903 | hci_req_add(&req, HCI_OP_WRITE_SCAN_ENABLE, 1, &scan); | |
1904 | } | |
1905 | ||
1906 | no_scan_update: | |
1907 | /* If we're going from non-connectable to connectable or | |
1908 | * vice-versa when fast connectable is enabled ensure that fast | |
1909 | * connectable gets disabled. write_fast_connectable won't do | |
1910 | * anything if the page scan parameters are already what they | |
1911 | * should be. | |
1912 | */ | |
1913 | if (cp->val || test_bit(HCI_FAST_CONNECTABLE, &hdev->dev_flags)) | |
1914 | write_fast_connectable(&req, false); | |
1915 | ||
1916 | /* Update the advertising parameters if necessary */ | |
1917 | if (test_bit(HCI_ADVERTISING, &hdev->dev_flags)) | |
1918 | enable_advertising(&req); | |
1919 | ||
1920 | err = hci_req_run(&req, set_connectable_complete); | |
1921 | if (err < 0) { | |
1922 | mgmt_pending_remove(cmd); | |
1923 | if (err == -ENODATA) | |
1924 | err = set_connectable_update_settings(hdev, sk, | |
1925 | cp->val); | |
1926 | goto failed; | |
1927 | } | |
1928 | ||
1929 | failed: | |
1930 | hci_dev_unlock(hdev); | |
1931 | return err; | |
1932 | } | |
1933 | ||
1934 | static int set_bondable(struct sock *sk, struct hci_dev *hdev, void *data, | |
1935 | u16 len) | |
1936 | { | |
1937 | struct mgmt_mode *cp = data; | |
1938 | bool changed; | |
1939 | int err; | |
1940 | ||
1941 | BT_DBG("request for %s", hdev->name); | |
1942 | ||
1943 | if (cp->val != 0x00 && cp->val != 0x01) | |
1944 | return cmd_status(sk, hdev->id, MGMT_OP_SET_BONDABLE, | |
1945 | MGMT_STATUS_INVALID_PARAMS); | |
1946 | ||
1947 | hci_dev_lock(hdev); | |
1948 | ||
1949 | if (cp->val) | |
1950 | changed = !test_and_set_bit(HCI_BONDABLE, &hdev->dev_flags); | |
1951 | else | |
1952 | changed = test_and_clear_bit(HCI_BONDABLE, &hdev->dev_flags); | |
1953 | ||
1954 | err = send_settings_rsp(sk, MGMT_OP_SET_BONDABLE, hdev); | |
1955 | if (err < 0) | |
1956 | goto unlock; | |
1957 | ||
1958 | if (changed) | |
1959 | err = new_settings(hdev, sk); | |
1960 | ||
1961 | unlock: | |
1962 | hci_dev_unlock(hdev); | |
1963 | return err; | |
1964 | } | |
1965 | ||
1966 | static int set_link_security(struct sock *sk, struct hci_dev *hdev, void *data, | |
1967 | u16 len) | |
1968 | { | |
1969 | struct mgmt_mode *cp = data; | |
1970 | struct pending_cmd *cmd; | |
1971 | u8 val, status; | |
1972 | int err; | |
1973 | ||
1974 | BT_DBG("request for %s", hdev->name); | |
1975 | ||
1976 | status = mgmt_bredr_support(hdev); | |
1977 | if (status) | |
1978 | return cmd_status(sk, hdev->id, MGMT_OP_SET_LINK_SECURITY, | |
1979 | status); | |
1980 | ||
1981 | if (cp->val != 0x00 && cp->val != 0x01) | |
1982 | return cmd_status(sk, hdev->id, MGMT_OP_SET_LINK_SECURITY, | |
1983 | MGMT_STATUS_INVALID_PARAMS); | |
1984 | ||
1985 | hci_dev_lock(hdev); | |
1986 | ||
1987 | if (!hdev_is_powered(hdev)) { | |
1988 | bool changed = false; | |
1989 | ||
1990 | if (!!cp->val != test_bit(HCI_LINK_SECURITY, | |
1991 | &hdev->dev_flags)) { | |
1992 | change_bit(HCI_LINK_SECURITY, &hdev->dev_flags); | |
1993 | changed = true; | |
1994 | } | |
1995 | ||
1996 | err = send_settings_rsp(sk, MGMT_OP_SET_LINK_SECURITY, hdev); | |
1997 | if (err < 0) | |
1998 | goto failed; | |
1999 | ||
2000 | if (changed) | |
2001 | err = new_settings(hdev, sk); | |
2002 | ||
2003 | goto failed; | |
2004 | } | |
2005 | ||
2006 | if (mgmt_pending_find(MGMT_OP_SET_LINK_SECURITY, hdev)) { | |
2007 | err = cmd_status(sk, hdev->id, MGMT_OP_SET_LINK_SECURITY, | |
2008 | MGMT_STATUS_BUSY); | |
2009 | goto failed; | |
2010 | } | |
2011 | ||
2012 | val = !!cp->val; | |
2013 | ||
2014 | if (test_bit(HCI_AUTH, &hdev->flags) == val) { | |
2015 | err = send_settings_rsp(sk, MGMT_OP_SET_LINK_SECURITY, hdev); | |
2016 | goto failed; | |
2017 | } | |
2018 | ||
2019 | cmd = mgmt_pending_add(sk, MGMT_OP_SET_LINK_SECURITY, hdev, data, len); | |
2020 | if (!cmd) { | |
2021 | err = -ENOMEM; | |
2022 | goto failed; | |
2023 | } | |
2024 | ||
2025 | err = hci_send_cmd(hdev, HCI_OP_WRITE_AUTH_ENABLE, sizeof(val), &val); | |
2026 | if (err < 0) { | |
2027 | mgmt_pending_remove(cmd); | |
2028 | goto failed; | |
2029 | } | |
2030 | ||
2031 | failed: | |
2032 | hci_dev_unlock(hdev); | |
2033 | return err; | |
2034 | } | |
2035 | ||
2036 | static int set_ssp(struct sock *sk, struct hci_dev *hdev, void *data, u16 len) | |
2037 | { | |
2038 | struct mgmt_mode *cp = data; | |
2039 | struct pending_cmd *cmd; | |
2040 | u8 status; | |
2041 | int err; | |
2042 | ||
2043 | BT_DBG("request for %s", hdev->name); | |
2044 | ||
2045 | status = mgmt_bredr_support(hdev); | |
2046 | if (status) | |
2047 | return cmd_status(sk, hdev->id, MGMT_OP_SET_SSP, status); | |
2048 | ||
2049 | if (!lmp_ssp_capable(hdev)) | |
2050 | return cmd_status(sk, hdev->id, MGMT_OP_SET_SSP, | |
2051 | MGMT_STATUS_NOT_SUPPORTED); | |
2052 | ||
2053 | if (cp->val != 0x00 && cp->val != 0x01) | |
2054 | return cmd_status(sk, hdev->id, MGMT_OP_SET_SSP, | |
2055 | MGMT_STATUS_INVALID_PARAMS); | |
2056 | ||
2057 | hci_dev_lock(hdev); | |
2058 | ||
2059 | if (!hdev_is_powered(hdev)) { | |
2060 | bool changed; | |
2061 | ||
2062 | if (cp->val) { | |
2063 | changed = !test_and_set_bit(HCI_SSP_ENABLED, | |
2064 | &hdev->dev_flags); | |
2065 | } else { | |
2066 | changed = test_and_clear_bit(HCI_SSP_ENABLED, | |
2067 | &hdev->dev_flags); | |
2068 | if (!changed) | |
2069 | changed = test_and_clear_bit(HCI_HS_ENABLED, | |
2070 | &hdev->dev_flags); | |
2071 | else | |
2072 | clear_bit(HCI_HS_ENABLED, &hdev->dev_flags); | |
2073 | } | |
2074 | ||
2075 | err = send_settings_rsp(sk, MGMT_OP_SET_SSP, hdev); | |
2076 | if (err < 0) | |
2077 | goto failed; | |
2078 | ||
2079 | if (changed) | |
2080 | err = new_settings(hdev, sk); | |
2081 | ||
2082 | goto failed; | |
2083 | } | |
2084 | ||
2085 | if (mgmt_pending_find(MGMT_OP_SET_SSP, hdev) || | |
2086 | mgmt_pending_find(MGMT_OP_SET_HS, hdev)) { | |
2087 | err = cmd_status(sk, hdev->id, MGMT_OP_SET_SSP, | |
2088 | MGMT_STATUS_BUSY); | |
2089 | goto failed; | |
2090 | } | |
2091 | ||
2092 | if (!!cp->val == test_bit(HCI_SSP_ENABLED, &hdev->dev_flags)) { | |
2093 | err = send_settings_rsp(sk, MGMT_OP_SET_SSP, hdev); | |
2094 | goto failed; | |
2095 | } | |
2096 | ||
2097 | cmd = mgmt_pending_add(sk, MGMT_OP_SET_SSP, hdev, data, len); | |
2098 | if (!cmd) { | |
2099 | err = -ENOMEM; | |
2100 | goto failed; | |
2101 | } | |
2102 | ||
2103 | if (!cp->val && test_bit(HCI_USE_DEBUG_KEYS, &hdev->dev_flags)) | |
2104 | hci_send_cmd(hdev, HCI_OP_WRITE_SSP_DEBUG_MODE, | |
2105 | sizeof(cp->val), &cp->val); | |
2106 | ||
2107 | err = hci_send_cmd(hdev, HCI_OP_WRITE_SSP_MODE, 1, &cp->val); | |
2108 | if (err < 0) { | |
2109 | mgmt_pending_remove(cmd); | |
2110 | goto failed; | |
2111 | } | |
2112 | ||
2113 | failed: | |
2114 | hci_dev_unlock(hdev); | |
2115 | return err; | |
2116 | } | |
2117 | ||
2118 | static int set_hs(struct sock *sk, struct hci_dev *hdev, void *data, u16 len) | |
2119 | { | |
2120 | struct mgmt_mode *cp = data; | |
2121 | bool changed; | |
2122 | u8 status; | |
2123 | int err; | |
2124 | ||
2125 | BT_DBG("request for %s", hdev->name); | |
2126 | ||
2127 | status = mgmt_bredr_support(hdev); | |
2128 | if (status) | |
2129 | return cmd_status(sk, hdev->id, MGMT_OP_SET_HS, status); | |
2130 | ||
2131 | if (!lmp_ssp_capable(hdev)) | |
2132 | return cmd_status(sk, hdev->id, MGMT_OP_SET_HS, | |
2133 | MGMT_STATUS_NOT_SUPPORTED); | |
2134 | ||
2135 | if (!test_bit(HCI_SSP_ENABLED, &hdev->dev_flags)) | |
2136 | return cmd_status(sk, hdev->id, MGMT_OP_SET_HS, | |
2137 | MGMT_STATUS_REJECTED); | |
2138 | ||
2139 | if (cp->val != 0x00 && cp->val != 0x01) | |
2140 | return cmd_status(sk, hdev->id, MGMT_OP_SET_HS, | |
2141 | MGMT_STATUS_INVALID_PARAMS); | |
2142 | ||
2143 | hci_dev_lock(hdev); | |
2144 | ||
2145 | if (cp->val) { | |
2146 | changed = !test_and_set_bit(HCI_HS_ENABLED, &hdev->dev_flags); | |
2147 | } else { | |
2148 | if (hdev_is_powered(hdev)) { | |
2149 | err = cmd_status(sk, hdev->id, MGMT_OP_SET_HS, | |
2150 | MGMT_STATUS_REJECTED); | |
2151 | goto unlock; | |
2152 | } | |
2153 | ||
2154 | changed = test_and_clear_bit(HCI_HS_ENABLED, &hdev->dev_flags); | |
2155 | } | |
2156 | ||
2157 | err = send_settings_rsp(sk, MGMT_OP_SET_HS, hdev); | |
2158 | if (err < 0) | |
2159 | goto unlock; | |
2160 | ||
2161 | if (changed) | |
2162 | err = new_settings(hdev, sk); | |
2163 | ||
2164 | unlock: | |
2165 | hci_dev_unlock(hdev); | |
2166 | return err; | |
2167 | } | |
2168 | ||
2169 | static void le_enable_complete(struct hci_dev *hdev, u8 status) | |
2170 | { | |
2171 | struct cmd_lookup match = { NULL, hdev }; | |
2172 | ||
2173 | if (status) { | |
2174 | u8 mgmt_err = mgmt_status(status); | |
2175 | ||
2176 | mgmt_pending_foreach(MGMT_OP_SET_LE, hdev, cmd_status_rsp, | |
2177 | &mgmt_err); | |
2178 | return; | |
2179 | } | |
2180 | ||
2181 | mgmt_pending_foreach(MGMT_OP_SET_LE, hdev, settings_rsp, &match); | |
2182 | ||
2183 | new_settings(hdev, match.sk); | |
2184 | ||
2185 | if (match.sk) | |
2186 | sock_put(match.sk); | |
2187 | ||
2188 | /* Make sure the controller has a good default for | |
2189 | * advertising data. Restrict the update to when LE | |
2190 | * has actually been enabled. During power on, the | |
2191 | * update in powered_update_hci will take care of it. | |
2192 | */ | |
2193 | if (test_bit(HCI_LE_ENABLED, &hdev->dev_flags)) { | |
2194 | struct hci_request req; | |
2195 | ||
2196 | hci_dev_lock(hdev); | |
2197 | ||
2198 | hci_req_init(&req, hdev); | |
2199 | update_adv_data(&req); | |
2200 | update_scan_rsp_data(&req); | |
2201 | hci_req_run(&req, NULL); | |
2202 | ||
2203 | hci_update_background_scan(hdev); | |
2204 | ||
2205 | hci_dev_unlock(hdev); | |
2206 | } | |
2207 | } | |
2208 | ||
2209 | static int set_le(struct sock *sk, struct hci_dev *hdev, void *data, u16 len) | |
2210 | { | |
2211 | struct mgmt_mode *cp = data; | |
2212 | struct hci_cp_write_le_host_supported hci_cp; | |
2213 | struct pending_cmd *cmd; | |
2214 | struct hci_request req; | |
2215 | int err; | |
2216 | u8 val, enabled; | |
2217 | ||
2218 | BT_DBG("request for %s", hdev->name); | |
2219 | ||
2220 | if (!lmp_le_capable(hdev)) | |
2221 | return cmd_status(sk, hdev->id, MGMT_OP_SET_LE, | |
2222 | MGMT_STATUS_NOT_SUPPORTED); | |
2223 | ||
2224 | if (cp->val != 0x00 && cp->val != 0x01) | |
2225 | return cmd_status(sk, hdev->id, MGMT_OP_SET_LE, | |
2226 | MGMT_STATUS_INVALID_PARAMS); | |
2227 | ||
2228 | /* LE-only devices do not allow toggling LE on/off */ | |
2229 | if (!test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags)) | |
2230 | return cmd_status(sk, hdev->id, MGMT_OP_SET_LE, | |
2231 | MGMT_STATUS_REJECTED); | |
2232 | ||
2233 | hci_dev_lock(hdev); | |
2234 | ||
2235 | val = !!cp->val; | |
2236 | enabled = lmp_host_le_capable(hdev); | |
2237 | ||
2238 | if (!hdev_is_powered(hdev) || val == enabled) { | |
2239 | bool changed = false; | |
2240 | ||
2241 | if (val != test_bit(HCI_LE_ENABLED, &hdev->dev_flags)) { | |
2242 | change_bit(HCI_LE_ENABLED, &hdev->dev_flags); | |
2243 | changed = true; | |
2244 | } | |
2245 | ||
2246 | if (!val && test_bit(HCI_ADVERTISING, &hdev->dev_flags)) { | |
2247 | clear_bit(HCI_ADVERTISING, &hdev->dev_flags); | |
2248 | changed = true; | |
2249 | } | |
2250 | ||
2251 | err = send_settings_rsp(sk, MGMT_OP_SET_LE, hdev); | |
2252 | if (err < 0) | |
2253 | goto unlock; | |
2254 | ||
2255 | if (changed) | |
2256 | err = new_settings(hdev, sk); | |
2257 | ||
2258 | goto unlock; | |
2259 | } | |
2260 | ||
2261 | if (mgmt_pending_find(MGMT_OP_SET_LE, hdev) || | |
2262 | mgmt_pending_find(MGMT_OP_SET_ADVERTISING, hdev)) { | |
2263 | err = cmd_status(sk, hdev->id, MGMT_OP_SET_LE, | |
2264 | MGMT_STATUS_BUSY); | |
2265 | goto unlock; | |
2266 | } | |
2267 | ||
2268 | cmd = mgmt_pending_add(sk, MGMT_OP_SET_LE, hdev, data, len); | |
2269 | if (!cmd) { | |
2270 | err = -ENOMEM; | |
2271 | goto unlock; | |
2272 | } | |
2273 | ||
2274 | hci_req_init(&req, hdev); | |
2275 | ||
2276 | memset(&hci_cp, 0, sizeof(hci_cp)); | |
2277 | ||
2278 | if (val) { | |
2279 | hci_cp.le = val; | |
2280 | hci_cp.simul = 0x00; | |
2281 | } else { | |
2282 | if (test_bit(HCI_LE_ADV, &hdev->dev_flags)) | |
2283 | disable_advertising(&req); | |
2284 | } | |
2285 | ||
2286 | hci_req_add(&req, HCI_OP_WRITE_LE_HOST_SUPPORTED, sizeof(hci_cp), | |
2287 | &hci_cp); | |
2288 | ||
2289 | err = hci_req_run(&req, le_enable_complete); | |
2290 | if (err < 0) | |
2291 | mgmt_pending_remove(cmd); | |
2292 | ||
2293 | unlock: | |
2294 | hci_dev_unlock(hdev); | |
2295 | return err; | |
2296 | } | |
2297 | ||
2298 | /* This is a helper function to test for pending mgmt commands that can | |
2299 | * cause CoD or EIR HCI commands. We can only allow one such pending | |
2300 | * mgmt command at a time since otherwise we cannot easily track what | |
2301 | * the current values are, will be, and based on that calculate if a new | |
2302 | * HCI command needs to be sent and if yes with what value. | |
2303 | */ | |
2304 | static bool pending_eir_or_class(struct hci_dev *hdev) | |
2305 | { | |
2306 | struct pending_cmd *cmd; | |
2307 | ||
2308 | list_for_each_entry(cmd, &hdev->mgmt_pending, list) { | |
2309 | switch (cmd->opcode) { | |
2310 | case MGMT_OP_ADD_UUID: | |
2311 | case MGMT_OP_REMOVE_UUID: | |
2312 | case MGMT_OP_SET_DEV_CLASS: | |
2313 | case MGMT_OP_SET_POWERED: | |
2314 | return true; | |
2315 | } | |
2316 | } | |
2317 | ||
2318 | return false; | |
2319 | } | |
2320 | ||
2321 | static const u8 bluetooth_base_uuid[] = { | |
2322 | 0xfb, 0x34, 0x9b, 0x5f, 0x80, 0x00, 0x00, 0x80, | |
2323 | 0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
2324 | }; | |
2325 | ||
2326 | static u8 get_uuid_size(const u8 *uuid) | |
2327 | { | |
2328 | u32 val; | |
2329 | ||
2330 | if (memcmp(uuid, bluetooth_base_uuid, 12)) | |
2331 | return 128; | |
2332 | ||
2333 | val = get_unaligned_le32(&uuid[12]); | |
2334 | if (val > 0xffff) | |
2335 | return 32; | |
2336 | ||
2337 | return 16; | |
2338 | } | |
2339 | ||
2340 | static void mgmt_class_complete(struct hci_dev *hdev, u16 mgmt_op, u8 status) | |
2341 | { | |
2342 | struct pending_cmd *cmd; | |
2343 | ||
2344 | hci_dev_lock(hdev); | |
2345 | ||
2346 | cmd = mgmt_pending_find(mgmt_op, hdev); | |
2347 | if (!cmd) | |
2348 | goto unlock; | |
2349 | ||
2350 | cmd_complete(cmd->sk, cmd->index, cmd->opcode, mgmt_status(status), | |
2351 | hdev->dev_class, 3); | |
2352 | ||
2353 | mgmt_pending_remove(cmd); | |
2354 | ||
2355 | unlock: | |
2356 | hci_dev_unlock(hdev); | |
2357 | } | |
2358 | ||
2359 | static void add_uuid_complete(struct hci_dev *hdev, u8 status) | |
2360 | { | |
2361 | BT_DBG("status 0x%02x", status); | |
2362 | ||
2363 | mgmt_class_complete(hdev, MGMT_OP_ADD_UUID, status); | |
2364 | } | |
2365 | ||
2366 | static int add_uuid(struct sock *sk, struct hci_dev *hdev, void *data, u16 len) | |
2367 | { | |
2368 | struct mgmt_cp_add_uuid *cp = data; | |
2369 | struct pending_cmd *cmd; | |
2370 | struct hci_request req; | |
2371 | struct bt_uuid *uuid; | |
2372 | int err; | |
2373 | ||
2374 | BT_DBG("request for %s", hdev->name); | |
2375 | ||
2376 | hci_dev_lock(hdev); | |
2377 | ||
2378 | if (pending_eir_or_class(hdev)) { | |
2379 | err = cmd_status(sk, hdev->id, MGMT_OP_ADD_UUID, | |
2380 | MGMT_STATUS_BUSY); | |
2381 | goto failed; | |
2382 | } | |
2383 | ||
2384 | uuid = kmalloc(sizeof(*uuid), GFP_KERNEL); | |
2385 | if (!uuid) { | |
2386 | err = -ENOMEM; | |
2387 | goto failed; | |
2388 | } | |
2389 | ||
2390 | memcpy(uuid->uuid, cp->uuid, 16); | |
2391 | uuid->svc_hint = cp->svc_hint; | |
2392 | uuid->size = get_uuid_size(cp->uuid); | |
2393 | ||
2394 | list_add_tail(&uuid->list, &hdev->uuids); | |
2395 | ||
2396 | hci_req_init(&req, hdev); | |
2397 | ||
2398 | update_class(&req); | |
2399 | update_eir(&req); | |
2400 | ||
2401 | err = hci_req_run(&req, add_uuid_complete); | |
2402 | if (err < 0) { | |
2403 | if (err != -ENODATA) | |
2404 | goto failed; | |
2405 | ||
2406 | err = cmd_complete(sk, hdev->id, MGMT_OP_ADD_UUID, 0, | |
2407 | hdev->dev_class, 3); | |
2408 | goto failed; | |
2409 | } | |
2410 | ||
2411 | cmd = mgmt_pending_add(sk, MGMT_OP_ADD_UUID, hdev, data, len); | |
2412 | if (!cmd) { | |
2413 | err = -ENOMEM; | |
2414 | goto failed; | |
2415 | } | |
2416 | ||
2417 | err = 0; | |
2418 | ||
2419 | failed: | |
2420 | hci_dev_unlock(hdev); | |
2421 | return err; | |
2422 | } | |
2423 | ||
2424 | static bool enable_service_cache(struct hci_dev *hdev) | |
2425 | { | |
2426 | if (!hdev_is_powered(hdev)) | |
2427 | return false; | |
2428 | ||
2429 | if (!test_and_set_bit(HCI_SERVICE_CACHE, &hdev->dev_flags)) { | |
2430 | queue_delayed_work(hdev->workqueue, &hdev->service_cache, | |
2431 | CACHE_TIMEOUT); | |
2432 | return true; | |
2433 | } | |
2434 | ||
2435 | return false; | |
2436 | } | |
2437 | ||
2438 | static void remove_uuid_complete(struct hci_dev *hdev, u8 status) | |
2439 | { | |
2440 | BT_DBG("status 0x%02x", status); | |
2441 | ||
2442 | mgmt_class_complete(hdev, MGMT_OP_REMOVE_UUID, status); | |
2443 | } | |
2444 | ||
2445 | static int remove_uuid(struct sock *sk, struct hci_dev *hdev, void *data, | |
2446 | u16 len) | |
2447 | { | |
2448 | struct mgmt_cp_remove_uuid *cp = data; | |
2449 | struct pending_cmd *cmd; | |
2450 | struct bt_uuid *match, *tmp; | |
2451 | u8 bt_uuid_any[] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }; | |
2452 | struct hci_request req; | |
2453 | int err, found; | |
2454 | ||
2455 | BT_DBG("request for %s", hdev->name); | |
2456 | ||
2457 | hci_dev_lock(hdev); | |
2458 | ||
2459 | if (pending_eir_or_class(hdev)) { | |
2460 | err = cmd_status(sk, hdev->id, MGMT_OP_REMOVE_UUID, | |
2461 | MGMT_STATUS_BUSY); | |
2462 | goto unlock; | |
2463 | } | |
2464 | ||
2465 | if (memcmp(cp->uuid, bt_uuid_any, 16) == 0) { | |
2466 | hci_uuids_clear(hdev); | |
2467 | ||
2468 | if (enable_service_cache(hdev)) { | |
2469 | err = cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_UUID, | |
2470 | 0, hdev->dev_class, 3); | |
2471 | goto unlock; | |
2472 | } | |
2473 | ||
2474 | goto update_class; | |
2475 | } | |
2476 | ||
2477 | found = 0; | |
2478 | ||
2479 | list_for_each_entry_safe(match, tmp, &hdev->uuids, list) { | |
2480 | if (memcmp(match->uuid, cp->uuid, 16) != 0) | |
2481 | continue; | |
2482 | ||
2483 | list_del(&match->list); | |
2484 | kfree(match); | |
2485 | found++; | |
2486 | } | |
2487 | ||
2488 | if (found == 0) { | |
2489 | err = cmd_status(sk, hdev->id, MGMT_OP_REMOVE_UUID, | |
2490 | MGMT_STATUS_INVALID_PARAMS); | |
2491 | goto unlock; | |
2492 | } | |
2493 | ||
2494 | update_class: | |
2495 | hci_req_init(&req, hdev); | |
2496 | ||
2497 | update_class(&req); | |
2498 | update_eir(&req); | |
2499 | ||
2500 | err = hci_req_run(&req, remove_uuid_complete); | |
2501 | if (err < 0) { | |
2502 | if (err != -ENODATA) | |
2503 | goto unlock; | |
2504 | ||
2505 | err = cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_UUID, 0, | |
2506 | hdev->dev_class, 3); | |
2507 | goto unlock; | |
2508 | } | |
2509 | ||
2510 | cmd = mgmt_pending_add(sk, MGMT_OP_REMOVE_UUID, hdev, data, len); | |
2511 | if (!cmd) { | |
2512 | err = -ENOMEM; | |
2513 | goto unlock; | |
2514 | } | |
2515 | ||
2516 | err = 0; | |
2517 | ||
2518 | unlock: | |
2519 | hci_dev_unlock(hdev); | |
2520 | return err; | |
2521 | } | |
2522 | ||
2523 | static void set_class_complete(struct hci_dev *hdev, u8 status) | |
2524 | { | |
2525 | BT_DBG("status 0x%02x", status); | |
2526 | ||
2527 | mgmt_class_complete(hdev, MGMT_OP_SET_DEV_CLASS, status); | |
2528 | } | |
2529 | ||
2530 | static int set_dev_class(struct sock *sk, struct hci_dev *hdev, void *data, | |
2531 | u16 len) | |
2532 | { | |
2533 | struct mgmt_cp_set_dev_class *cp = data; | |
2534 | struct pending_cmd *cmd; | |
2535 | struct hci_request req; | |
2536 | int err; | |
2537 | ||
2538 | BT_DBG("request for %s", hdev->name); | |
2539 | ||
2540 | if (!lmp_bredr_capable(hdev)) | |
2541 | return cmd_status(sk, hdev->id, MGMT_OP_SET_DEV_CLASS, | |
2542 | MGMT_STATUS_NOT_SUPPORTED); | |
2543 | ||
2544 | hci_dev_lock(hdev); | |
2545 | ||
2546 | if (pending_eir_or_class(hdev)) { | |
2547 | err = cmd_status(sk, hdev->id, MGMT_OP_SET_DEV_CLASS, | |
2548 | MGMT_STATUS_BUSY); | |
2549 | goto unlock; | |
2550 | } | |
2551 | ||
2552 | if ((cp->minor & 0x03) != 0 || (cp->major & 0xe0) != 0) { | |
2553 | err = cmd_status(sk, hdev->id, MGMT_OP_SET_DEV_CLASS, | |
2554 | MGMT_STATUS_INVALID_PARAMS); | |
2555 | goto unlock; | |
2556 | } | |
2557 | ||
2558 | hdev->major_class = cp->major; | |
2559 | hdev->minor_class = cp->minor; | |
2560 | ||
2561 | if (!hdev_is_powered(hdev)) { | |
2562 | err = cmd_complete(sk, hdev->id, MGMT_OP_SET_DEV_CLASS, 0, | |
2563 | hdev->dev_class, 3); | |
2564 | goto unlock; | |
2565 | } | |
2566 | ||
2567 | hci_req_init(&req, hdev); | |
2568 | ||
2569 | if (test_and_clear_bit(HCI_SERVICE_CACHE, &hdev->dev_flags)) { | |
2570 | hci_dev_unlock(hdev); | |
2571 | cancel_delayed_work_sync(&hdev->service_cache); | |
2572 | hci_dev_lock(hdev); | |
2573 | update_eir(&req); | |
2574 | } | |
2575 | ||
2576 | update_class(&req); | |
2577 | ||
2578 | err = hci_req_run(&req, set_class_complete); | |
2579 | if (err < 0) { | |
2580 | if (err != -ENODATA) | |
2581 | goto unlock; | |
2582 | ||
2583 | err = cmd_complete(sk, hdev->id, MGMT_OP_SET_DEV_CLASS, 0, | |
2584 | hdev->dev_class, 3); | |
2585 | goto unlock; | |
2586 | } | |
2587 | ||
2588 | cmd = mgmt_pending_add(sk, MGMT_OP_SET_DEV_CLASS, hdev, data, len); | |
2589 | if (!cmd) { | |
2590 | err = -ENOMEM; | |
2591 | goto unlock; | |
2592 | } | |
2593 | ||
2594 | err = 0; | |
2595 | ||
2596 | unlock: | |
2597 | hci_dev_unlock(hdev); | |
2598 | return err; | |
2599 | } | |
2600 | ||
2601 | static int load_link_keys(struct sock *sk, struct hci_dev *hdev, void *data, | |
2602 | u16 len) | |
2603 | { | |
2604 | struct mgmt_cp_load_link_keys *cp = data; | |
2605 | const u16 max_key_count = ((U16_MAX - sizeof(*cp)) / | |
2606 | sizeof(struct mgmt_link_key_info)); | |
2607 | u16 key_count, expected_len; | |
2608 | bool changed; | |
2609 | int i; | |
2610 | ||
2611 | BT_DBG("request for %s", hdev->name); | |
2612 | ||
2613 | if (!lmp_bredr_capable(hdev)) | |
2614 | return cmd_status(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS, | |
2615 | MGMT_STATUS_NOT_SUPPORTED); | |
2616 | ||
2617 | key_count = __le16_to_cpu(cp->key_count); | |
2618 | if (key_count > max_key_count) { | |
2619 | BT_ERR("load_link_keys: too big key_count value %u", | |
2620 | key_count); | |
2621 | return cmd_status(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS, | |
2622 | MGMT_STATUS_INVALID_PARAMS); | |
2623 | } | |
2624 | ||
2625 | expected_len = sizeof(*cp) + key_count * | |
2626 | sizeof(struct mgmt_link_key_info); | |
2627 | if (expected_len != len) { | |
2628 | BT_ERR("load_link_keys: expected %u bytes, got %u bytes", | |
2629 | expected_len, len); | |
2630 | return cmd_status(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS, | |
2631 | MGMT_STATUS_INVALID_PARAMS); | |
2632 | } | |
2633 | ||
2634 | if (cp->debug_keys != 0x00 && cp->debug_keys != 0x01) | |
2635 | return cmd_status(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS, | |
2636 | MGMT_STATUS_INVALID_PARAMS); | |
2637 | ||
2638 | BT_DBG("%s debug_keys %u key_count %u", hdev->name, cp->debug_keys, | |
2639 | key_count); | |
2640 | ||
2641 | for (i = 0; i < key_count; i++) { | |
2642 | struct mgmt_link_key_info *key = &cp->keys[i]; | |
2643 | ||
2644 | if (key->addr.type != BDADDR_BREDR || key->type > 0x08) | |
2645 | return cmd_status(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS, | |
2646 | MGMT_STATUS_INVALID_PARAMS); | |
2647 | } | |
2648 | ||
2649 | hci_dev_lock(hdev); | |
2650 | ||
2651 | hci_link_keys_clear(hdev); | |
2652 | ||
2653 | if (cp->debug_keys) | |
2654 | changed = !test_and_set_bit(HCI_KEEP_DEBUG_KEYS, | |
2655 | &hdev->dev_flags); | |
2656 | else | |
2657 | changed = test_and_clear_bit(HCI_KEEP_DEBUG_KEYS, | |
2658 | &hdev->dev_flags); | |
2659 | ||
2660 | if (changed) | |
2661 | new_settings(hdev, NULL); | |
2662 | ||
2663 | for (i = 0; i < key_count; i++) { | |
2664 | struct mgmt_link_key_info *key = &cp->keys[i]; | |
2665 | ||
2666 | /* Always ignore debug keys and require a new pairing if | |
2667 | * the user wants to use them. | |
2668 | */ | |
2669 | if (key->type == HCI_LK_DEBUG_COMBINATION) | |
2670 | continue; | |
2671 | ||
2672 | hci_add_link_key(hdev, NULL, &key->addr.bdaddr, key->val, | |
2673 | key->type, key->pin_len, NULL); | |
2674 | } | |
2675 | ||
2676 | cmd_complete(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS, 0, NULL, 0); | |
2677 | ||
2678 | hci_dev_unlock(hdev); | |
2679 | ||
2680 | return 0; | |
2681 | } | |
2682 | ||
2683 | static int device_unpaired(struct hci_dev *hdev, bdaddr_t *bdaddr, | |
2684 | u8 addr_type, struct sock *skip_sk) | |
2685 | { | |
2686 | struct mgmt_ev_device_unpaired ev; | |
2687 | ||
2688 | bacpy(&ev.addr.bdaddr, bdaddr); | |
2689 | ev.addr.type = addr_type; | |
2690 | ||
2691 | return mgmt_event(MGMT_EV_DEVICE_UNPAIRED, hdev, &ev, sizeof(ev), | |
2692 | skip_sk); | |
2693 | } | |
2694 | ||
2695 | static int unpair_device(struct sock *sk, struct hci_dev *hdev, void *data, | |
2696 | u16 len) | |
2697 | { | |
2698 | struct mgmt_cp_unpair_device *cp = data; | |
2699 | struct mgmt_rp_unpair_device rp; | |
2700 | struct hci_cp_disconnect dc; | |
2701 | struct pending_cmd *cmd; | |
2702 | struct hci_conn *conn; | |
2703 | int err; | |
2704 | ||
2705 | memset(&rp, 0, sizeof(rp)); | |
2706 | bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr); | |
2707 | rp.addr.type = cp->addr.type; | |
2708 | ||
2709 | if (!bdaddr_type_is_valid(cp->addr.type)) | |
2710 | return cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE, | |
2711 | MGMT_STATUS_INVALID_PARAMS, | |
2712 | &rp, sizeof(rp)); | |
2713 | ||
2714 | if (cp->disconnect != 0x00 && cp->disconnect != 0x01) | |
2715 | return cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE, | |
2716 | MGMT_STATUS_INVALID_PARAMS, | |
2717 | &rp, sizeof(rp)); | |
2718 | ||
2719 | hci_dev_lock(hdev); | |
2720 | ||
2721 | if (!hdev_is_powered(hdev)) { | |
2722 | err = cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE, | |
2723 | MGMT_STATUS_NOT_POWERED, &rp, sizeof(rp)); | |
2724 | goto unlock; | |
2725 | } | |
2726 | ||
2727 | if (cp->addr.type == BDADDR_BREDR) { | |
2728 | /* If disconnection is requested, then look up the | |
2729 | * connection. If the remote device is connected, it | |
2730 | * will be later used to terminate the link. | |
2731 | * | |
2732 | * Setting it to NULL explicitly will cause no | |
2733 | * termination of the link. | |
2734 | */ | |
2735 | if (cp->disconnect) | |
2736 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, | |
2737 | &cp->addr.bdaddr); | |
2738 | else | |
2739 | conn = NULL; | |
2740 | ||
2741 | err = hci_remove_link_key(hdev, &cp->addr.bdaddr); | |
2742 | } else { | |
2743 | u8 addr_type; | |
2744 | ||
2745 | conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, | |
2746 | &cp->addr.bdaddr); | |
2747 | if (conn) { | |
2748 | /* Defer clearing up the connection parameters | |
2749 | * until closing to give a chance of keeping | |
2750 | * them if a repairing happens. | |
2751 | */ | |
2752 | set_bit(HCI_CONN_PARAM_REMOVAL_PEND, &conn->flags); | |
2753 | ||
2754 | /* If disconnection is not requested, then | |
2755 | * clear the connection variable so that the | |
2756 | * link is not terminated. | |
2757 | */ | |
2758 | if (!cp->disconnect) | |
2759 | conn = NULL; | |
2760 | } | |
2761 | ||
2762 | if (cp->addr.type == BDADDR_LE_PUBLIC) | |
2763 | addr_type = ADDR_LE_DEV_PUBLIC; | |
2764 | else | |
2765 | addr_type = ADDR_LE_DEV_RANDOM; | |
2766 | ||
2767 | hci_remove_irk(hdev, &cp->addr.bdaddr, addr_type); | |
2768 | ||
2769 | err = hci_remove_ltk(hdev, &cp->addr.bdaddr, addr_type); | |
2770 | } | |
2771 | ||
2772 | if (err < 0) { | |
2773 | err = cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE, | |
2774 | MGMT_STATUS_NOT_PAIRED, &rp, sizeof(rp)); | |
2775 | goto unlock; | |
2776 | } | |
2777 | ||
2778 | /* If the connection variable is set, then termination of the | |
2779 | * link is requested. | |
2780 | */ | |
2781 | if (!conn) { | |
2782 | err = cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE, 0, | |
2783 | &rp, sizeof(rp)); | |
2784 | device_unpaired(hdev, &cp->addr.bdaddr, cp->addr.type, sk); | |
2785 | goto unlock; | |
2786 | } | |
2787 | ||
2788 | cmd = mgmt_pending_add(sk, MGMT_OP_UNPAIR_DEVICE, hdev, cp, | |
2789 | sizeof(*cp)); | |
2790 | if (!cmd) { | |
2791 | err = -ENOMEM; | |
2792 | goto unlock; | |
2793 | } | |
2794 | ||
2795 | dc.handle = cpu_to_le16(conn->handle); | |
2796 | dc.reason = 0x13; /* Remote User Terminated Connection */ | |
2797 | err = hci_send_cmd(hdev, HCI_OP_DISCONNECT, sizeof(dc), &dc); | |
2798 | if (err < 0) | |
2799 | mgmt_pending_remove(cmd); | |
2800 | ||
2801 | unlock: | |
2802 | hci_dev_unlock(hdev); | |
2803 | return err; | |
2804 | } | |
2805 | ||
2806 | static int disconnect(struct sock *sk, struct hci_dev *hdev, void *data, | |
2807 | u16 len) | |
2808 | { | |
2809 | struct mgmt_cp_disconnect *cp = data; | |
2810 | struct mgmt_rp_disconnect rp; | |
2811 | struct pending_cmd *cmd; | |
2812 | struct hci_conn *conn; | |
2813 | int err; | |
2814 | ||
2815 | BT_DBG(""); | |
2816 | ||
2817 | memset(&rp, 0, sizeof(rp)); | |
2818 | bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr); | |
2819 | rp.addr.type = cp->addr.type; | |
2820 | ||
2821 | if (!bdaddr_type_is_valid(cp->addr.type)) | |
2822 | return cmd_complete(sk, hdev->id, MGMT_OP_DISCONNECT, | |
2823 | MGMT_STATUS_INVALID_PARAMS, | |
2824 | &rp, sizeof(rp)); | |
2825 | ||
2826 | hci_dev_lock(hdev); | |
2827 | ||
2828 | if (!test_bit(HCI_UP, &hdev->flags)) { | |
2829 | err = cmd_complete(sk, hdev->id, MGMT_OP_DISCONNECT, | |
2830 | MGMT_STATUS_NOT_POWERED, &rp, sizeof(rp)); | |
2831 | goto failed; | |
2832 | } | |
2833 | ||
2834 | if (mgmt_pending_find(MGMT_OP_DISCONNECT, hdev)) { | |
2835 | err = cmd_complete(sk, hdev->id, MGMT_OP_DISCONNECT, | |
2836 | MGMT_STATUS_BUSY, &rp, sizeof(rp)); | |
2837 | goto failed; | |
2838 | } | |
2839 | ||
2840 | if (cp->addr.type == BDADDR_BREDR) | |
2841 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, | |
2842 | &cp->addr.bdaddr); | |
2843 | else | |
2844 | conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, &cp->addr.bdaddr); | |
2845 | ||
2846 | if (!conn || conn->state == BT_OPEN || conn->state == BT_CLOSED) { | |
2847 | err = cmd_complete(sk, hdev->id, MGMT_OP_DISCONNECT, | |
2848 | MGMT_STATUS_NOT_CONNECTED, &rp, sizeof(rp)); | |
2849 | goto failed; | |
2850 | } | |
2851 | ||
2852 | cmd = mgmt_pending_add(sk, MGMT_OP_DISCONNECT, hdev, data, len); | |
2853 | if (!cmd) { | |
2854 | err = -ENOMEM; | |
2855 | goto failed; | |
2856 | } | |
2857 | ||
2858 | err = hci_disconnect(conn, HCI_ERROR_REMOTE_USER_TERM); | |
2859 | if (err < 0) | |
2860 | mgmt_pending_remove(cmd); | |
2861 | ||
2862 | failed: | |
2863 | hci_dev_unlock(hdev); | |
2864 | return err; | |
2865 | } | |
2866 | ||
2867 | static u8 link_to_bdaddr(u8 link_type, u8 addr_type) | |
2868 | { | |
2869 | switch (link_type) { | |
2870 | case LE_LINK: | |
2871 | switch (addr_type) { | |
2872 | case ADDR_LE_DEV_PUBLIC: | |
2873 | return BDADDR_LE_PUBLIC; | |
2874 | ||
2875 | default: | |
2876 | /* Fallback to LE Random address type */ | |
2877 | return BDADDR_LE_RANDOM; | |
2878 | } | |
2879 | ||
2880 | default: | |
2881 | /* Fallback to BR/EDR type */ | |
2882 | return BDADDR_BREDR; | |
2883 | } | |
2884 | } | |
2885 | ||
2886 | static int get_connections(struct sock *sk, struct hci_dev *hdev, void *data, | |
2887 | u16 data_len) | |
2888 | { | |
2889 | struct mgmt_rp_get_connections *rp; | |
2890 | struct hci_conn *c; | |
2891 | size_t rp_len; | |
2892 | int err; | |
2893 | u16 i; | |
2894 | ||
2895 | BT_DBG(""); | |
2896 | ||
2897 | hci_dev_lock(hdev); | |
2898 | ||
2899 | if (!hdev_is_powered(hdev)) { | |
2900 | err = cmd_status(sk, hdev->id, MGMT_OP_GET_CONNECTIONS, | |
2901 | MGMT_STATUS_NOT_POWERED); | |
2902 | goto unlock; | |
2903 | } | |
2904 | ||
2905 | i = 0; | |
2906 | list_for_each_entry(c, &hdev->conn_hash.list, list) { | |
2907 | if (test_bit(HCI_CONN_MGMT_CONNECTED, &c->flags)) | |
2908 | i++; | |
2909 | } | |
2910 | ||
2911 | rp_len = sizeof(*rp) + (i * sizeof(struct mgmt_addr_info)); | |
2912 | rp = kmalloc(rp_len, GFP_KERNEL); | |
2913 | if (!rp) { | |
2914 | err = -ENOMEM; | |
2915 | goto unlock; | |
2916 | } | |
2917 | ||
2918 | i = 0; | |
2919 | list_for_each_entry(c, &hdev->conn_hash.list, list) { | |
2920 | if (!test_bit(HCI_CONN_MGMT_CONNECTED, &c->flags)) | |
2921 | continue; | |
2922 | bacpy(&rp->addr[i].bdaddr, &c->dst); | |
2923 | rp->addr[i].type = link_to_bdaddr(c->type, c->dst_type); | |
2924 | if (c->type == SCO_LINK || c->type == ESCO_LINK) | |
2925 | continue; | |
2926 | i++; | |
2927 | } | |
2928 | ||
2929 | rp->conn_count = cpu_to_le16(i); | |
2930 | ||
2931 | /* Recalculate length in case of filtered SCO connections, etc */ | |
2932 | rp_len = sizeof(*rp) + (i * sizeof(struct mgmt_addr_info)); | |
2933 | ||
2934 | err = cmd_complete(sk, hdev->id, MGMT_OP_GET_CONNECTIONS, 0, rp, | |
2935 | rp_len); | |
2936 | ||
2937 | kfree(rp); | |
2938 | ||
2939 | unlock: | |
2940 | hci_dev_unlock(hdev); | |
2941 | return err; | |
2942 | } | |
2943 | ||
2944 | static int send_pin_code_neg_reply(struct sock *sk, struct hci_dev *hdev, | |
2945 | struct mgmt_cp_pin_code_neg_reply *cp) | |
2946 | { | |
2947 | struct pending_cmd *cmd; | |
2948 | int err; | |
2949 | ||
2950 | cmd = mgmt_pending_add(sk, MGMT_OP_PIN_CODE_NEG_REPLY, hdev, cp, | |
2951 | sizeof(*cp)); | |
2952 | if (!cmd) | |
2953 | return -ENOMEM; | |
2954 | ||
2955 | err = hci_send_cmd(hdev, HCI_OP_PIN_CODE_NEG_REPLY, | |
2956 | sizeof(cp->addr.bdaddr), &cp->addr.bdaddr); | |
2957 | if (err < 0) | |
2958 | mgmt_pending_remove(cmd); | |
2959 | ||
2960 | return err; | |
2961 | } | |
2962 | ||
2963 | static int pin_code_reply(struct sock *sk, struct hci_dev *hdev, void *data, | |
2964 | u16 len) | |
2965 | { | |
2966 | struct hci_conn *conn; | |
2967 | struct mgmt_cp_pin_code_reply *cp = data; | |
2968 | struct hci_cp_pin_code_reply reply; | |
2969 | struct pending_cmd *cmd; | |
2970 | int err; | |
2971 | ||
2972 | BT_DBG(""); | |
2973 | ||
2974 | hci_dev_lock(hdev); | |
2975 | ||
2976 | if (!hdev_is_powered(hdev)) { | |
2977 | err = cmd_status(sk, hdev->id, MGMT_OP_PIN_CODE_REPLY, | |
2978 | MGMT_STATUS_NOT_POWERED); | |
2979 | goto failed; | |
2980 | } | |
2981 | ||
2982 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->addr.bdaddr); | |
2983 | if (!conn) { | |
2984 | err = cmd_status(sk, hdev->id, MGMT_OP_PIN_CODE_REPLY, | |
2985 | MGMT_STATUS_NOT_CONNECTED); | |
2986 | goto failed; | |
2987 | } | |
2988 | ||
2989 | if (conn->pending_sec_level == BT_SECURITY_HIGH && cp->pin_len != 16) { | |
2990 | struct mgmt_cp_pin_code_neg_reply ncp; | |
2991 | ||
2992 | memcpy(&ncp.addr, &cp->addr, sizeof(ncp.addr)); | |
2993 | ||
2994 | BT_ERR("PIN code is not 16 bytes long"); | |
2995 | ||
2996 | err = send_pin_code_neg_reply(sk, hdev, &ncp); | |
2997 | if (err >= 0) | |
2998 | err = cmd_status(sk, hdev->id, MGMT_OP_PIN_CODE_REPLY, | |
2999 | MGMT_STATUS_INVALID_PARAMS); | |
3000 | ||
3001 | goto failed; | |
3002 | } | |
3003 | ||
3004 | cmd = mgmt_pending_add(sk, MGMT_OP_PIN_CODE_REPLY, hdev, data, len); | |
3005 | if (!cmd) { | |
3006 | err = -ENOMEM; | |
3007 | goto failed; | |
3008 | } | |
3009 | ||
3010 | bacpy(&reply.bdaddr, &cp->addr.bdaddr); | |
3011 | reply.pin_len = cp->pin_len; | |
3012 | memcpy(reply.pin_code, cp->pin_code, sizeof(reply.pin_code)); | |
3013 | ||
3014 | err = hci_send_cmd(hdev, HCI_OP_PIN_CODE_REPLY, sizeof(reply), &reply); | |
3015 | if (err < 0) | |
3016 | mgmt_pending_remove(cmd); | |
3017 | ||
3018 | failed: | |
3019 | hci_dev_unlock(hdev); | |
3020 | return err; | |
3021 | } | |
3022 | ||
3023 | static int set_io_capability(struct sock *sk, struct hci_dev *hdev, void *data, | |
3024 | u16 len) | |
3025 | { | |
3026 | struct mgmt_cp_set_io_capability *cp = data; | |
3027 | ||
3028 | BT_DBG(""); | |
3029 | ||
3030 | if (cp->io_capability > SMP_IO_KEYBOARD_DISPLAY) | |
3031 | return cmd_complete(sk, hdev->id, MGMT_OP_SET_IO_CAPABILITY, | |
3032 | MGMT_STATUS_INVALID_PARAMS, NULL, 0); | |
3033 | ||
3034 | hci_dev_lock(hdev); | |
3035 | ||
3036 | hdev->io_capability = cp->io_capability; | |
3037 | ||
3038 | BT_DBG("%s IO capability set to 0x%02x", hdev->name, | |
3039 | hdev->io_capability); | |
3040 | ||
3041 | hci_dev_unlock(hdev); | |
3042 | ||
3043 | return cmd_complete(sk, hdev->id, MGMT_OP_SET_IO_CAPABILITY, 0, NULL, | |
3044 | 0); | |
3045 | } | |
3046 | ||
3047 | static struct pending_cmd *find_pairing(struct hci_conn *conn) | |
3048 | { | |
3049 | struct hci_dev *hdev = conn->hdev; | |
3050 | struct pending_cmd *cmd; | |
3051 | ||
3052 | list_for_each_entry(cmd, &hdev->mgmt_pending, list) { | |
3053 | if (cmd->opcode != MGMT_OP_PAIR_DEVICE) | |
3054 | continue; | |
3055 | ||
3056 | if (cmd->user_data != conn) | |
3057 | continue; | |
3058 | ||
3059 | return cmd; | |
3060 | } | |
3061 | ||
3062 | return NULL; | |
3063 | } | |
3064 | ||
3065 | static void pairing_complete(struct pending_cmd *cmd, u8 status) | |
3066 | { | |
3067 | struct mgmt_rp_pair_device rp; | |
3068 | struct hci_conn *conn = cmd->user_data; | |
3069 | ||
3070 | bacpy(&rp.addr.bdaddr, &conn->dst); | |
3071 | rp.addr.type = link_to_bdaddr(conn->type, conn->dst_type); | |
3072 | ||
3073 | cmd_complete(cmd->sk, cmd->index, MGMT_OP_PAIR_DEVICE, status, | |
3074 | &rp, sizeof(rp)); | |
3075 | ||
3076 | /* So we don't get further callbacks for this connection */ | |
3077 | conn->connect_cfm_cb = NULL; | |
3078 | conn->security_cfm_cb = NULL; | |
3079 | conn->disconn_cfm_cb = NULL; | |
3080 | ||
3081 | hci_conn_drop(conn); | |
3082 | hci_conn_put(conn); | |
3083 | ||
3084 | mgmt_pending_remove(cmd); | |
3085 | ||
3086 | /* The device is paired so there is no need to remove | |
3087 | * its connection parameters anymore. | |
3088 | */ | |
3089 | clear_bit(HCI_CONN_PARAM_REMOVAL_PEND, &conn->flags); | |
3090 | } | |
3091 | ||
3092 | void mgmt_smp_complete(struct hci_conn *conn, bool complete) | |
3093 | { | |
3094 | u8 status = complete ? MGMT_STATUS_SUCCESS : MGMT_STATUS_FAILED; | |
3095 | struct pending_cmd *cmd; | |
3096 | ||
3097 | cmd = find_pairing(conn); | |
3098 | if (cmd) | |
3099 | pairing_complete(cmd, status); | |
3100 | } | |
3101 | ||
3102 | static void pairing_complete_cb(struct hci_conn *conn, u8 status) | |
3103 | { | |
3104 | struct pending_cmd *cmd; | |
3105 | ||
3106 | BT_DBG("status %u", status); | |
3107 | ||
3108 | cmd = find_pairing(conn); | |
3109 | if (!cmd) | |
3110 | BT_DBG("Unable to find a pending command"); | |
3111 | else | |
3112 | pairing_complete(cmd, mgmt_status(status)); | |
3113 | } | |
3114 | ||
3115 | static void le_pairing_complete_cb(struct hci_conn *conn, u8 status) | |
3116 | { | |
3117 | struct pending_cmd *cmd; | |
3118 | ||
3119 | BT_DBG("status %u", status); | |
3120 | ||
3121 | if (!status) | |
3122 | return; | |
3123 | ||
3124 | cmd = find_pairing(conn); | |
3125 | if (!cmd) | |
3126 | BT_DBG("Unable to find a pending command"); | |
3127 | else | |
3128 | pairing_complete(cmd, mgmt_status(status)); | |
3129 | } | |
3130 | ||
3131 | static int pair_device(struct sock *sk, struct hci_dev *hdev, void *data, | |
3132 | u16 len) | |
3133 | { | |
3134 | struct mgmt_cp_pair_device *cp = data; | |
3135 | struct mgmt_rp_pair_device rp; | |
3136 | struct pending_cmd *cmd; | |
3137 | u8 sec_level, auth_type; | |
3138 | struct hci_conn *conn; | |
3139 | int err; | |
3140 | ||
3141 | BT_DBG(""); | |
3142 | ||
3143 | memset(&rp, 0, sizeof(rp)); | |
3144 | bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr); | |
3145 | rp.addr.type = cp->addr.type; | |
3146 | ||
3147 | if (!bdaddr_type_is_valid(cp->addr.type)) | |
3148 | return cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE, | |
3149 | MGMT_STATUS_INVALID_PARAMS, | |
3150 | &rp, sizeof(rp)); | |
3151 | ||
3152 | if (cp->io_cap > SMP_IO_KEYBOARD_DISPLAY) | |
3153 | return cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE, | |
3154 | MGMT_STATUS_INVALID_PARAMS, | |
3155 | &rp, sizeof(rp)); | |
3156 | ||
3157 | hci_dev_lock(hdev); | |
3158 | ||
3159 | if (!hdev_is_powered(hdev)) { | |
3160 | err = cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE, | |
3161 | MGMT_STATUS_NOT_POWERED, &rp, sizeof(rp)); | |
3162 | goto unlock; | |
3163 | } | |
3164 | ||
3165 | sec_level = BT_SECURITY_MEDIUM; | |
3166 | auth_type = HCI_AT_DEDICATED_BONDING; | |
3167 | ||
3168 | if (cp->addr.type == BDADDR_BREDR) { | |
3169 | conn = hci_connect_acl(hdev, &cp->addr.bdaddr, sec_level, | |
3170 | auth_type); | |
3171 | } else { | |
3172 | u8 addr_type; | |
3173 | ||
3174 | /* Convert from L2CAP channel address type to HCI address type | |
3175 | */ | |
3176 | if (cp->addr.type == BDADDR_LE_PUBLIC) | |
3177 | addr_type = ADDR_LE_DEV_PUBLIC; | |
3178 | else | |
3179 | addr_type = ADDR_LE_DEV_RANDOM; | |
3180 | ||
3181 | /* When pairing a new device, it is expected to remember | |
3182 | * this device for future connections. Adding the connection | |
3183 | * parameter information ahead of time allows tracking | |
3184 | * of the slave preferred values and will speed up any | |
3185 | * further connection establishment. | |
3186 | * | |
3187 | * If connection parameters already exist, then they | |
3188 | * will be kept and this function does nothing. | |
3189 | */ | |
3190 | hci_conn_params_add(hdev, &cp->addr.bdaddr, addr_type); | |
3191 | ||
3192 | conn = hci_connect_le(hdev, &cp->addr.bdaddr, addr_type, | |
3193 | sec_level, HCI_LE_CONN_TIMEOUT, | |
3194 | HCI_ROLE_MASTER); | |
3195 | } | |
3196 | ||
3197 | if (IS_ERR(conn)) { | |
3198 | int status; | |
3199 | ||
3200 | if (PTR_ERR(conn) == -EBUSY) | |
3201 | status = MGMT_STATUS_BUSY; | |
3202 | else | |
3203 | status = MGMT_STATUS_CONNECT_FAILED; | |
3204 | ||
3205 | err = cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE, | |
3206 | status, &rp, | |
3207 | sizeof(rp)); | |
3208 | goto unlock; | |
3209 | } | |
3210 | ||
3211 | if (conn->connect_cfm_cb) { | |
3212 | hci_conn_drop(conn); | |
3213 | err = cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE, | |
3214 | MGMT_STATUS_BUSY, &rp, sizeof(rp)); | |
3215 | goto unlock; | |
3216 | } | |
3217 | ||
3218 | cmd = mgmt_pending_add(sk, MGMT_OP_PAIR_DEVICE, hdev, data, len); | |
3219 | if (!cmd) { | |
3220 | err = -ENOMEM; | |
3221 | hci_conn_drop(conn); | |
3222 | goto unlock; | |
3223 | } | |
3224 | ||
3225 | /* For LE, just connecting isn't a proof that the pairing finished */ | |
3226 | if (cp->addr.type == BDADDR_BREDR) { | |
3227 | conn->connect_cfm_cb = pairing_complete_cb; | |
3228 | conn->security_cfm_cb = pairing_complete_cb; | |
3229 | conn->disconn_cfm_cb = pairing_complete_cb; | |
3230 | } else { | |
3231 | conn->connect_cfm_cb = le_pairing_complete_cb; | |
3232 | conn->security_cfm_cb = le_pairing_complete_cb; | |
3233 | conn->disconn_cfm_cb = le_pairing_complete_cb; | |
3234 | } | |
3235 | ||
3236 | conn->io_capability = cp->io_cap; | |
3237 | cmd->user_data = hci_conn_get(conn); | |
3238 | ||
3239 | if ((conn->state == BT_CONNECTED || conn->state == BT_CONFIG) && | |
3240 | hci_conn_security(conn, sec_level, auth_type, true)) | |
3241 | pairing_complete(cmd, 0); | |
3242 | ||
3243 | err = 0; | |
3244 | ||
3245 | unlock: | |
3246 | hci_dev_unlock(hdev); | |
3247 | return err; | |
3248 | } | |
3249 | ||
3250 | static int cancel_pair_device(struct sock *sk, struct hci_dev *hdev, void *data, | |
3251 | u16 len) | |
3252 | { | |
3253 | struct mgmt_addr_info *addr = data; | |
3254 | struct pending_cmd *cmd; | |
3255 | struct hci_conn *conn; | |
3256 | int err; | |
3257 | ||
3258 | BT_DBG(""); | |
3259 | ||
3260 | hci_dev_lock(hdev); | |
3261 | ||
3262 | if (!hdev_is_powered(hdev)) { | |
3263 | err = cmd_status(sk, hdev->id, MGMT_OP_CANCEL_PAIR_DEVICE, | |
3264 | MGMT_STATUS_NOT_POWERED); | |
3265 | goto unlock; | |
3266 | } | |
3267 | ||
3268 | cmd = mgmt_pending_find(MGMT_OP_PAIR_DEVICE, hdev); | |
3269 | if (!cmd) { | |
3270 | err = cmd_status(sk, hdev->id, MGMT_OP_CANCEL_PAIR_DEVICE, | |
3271 | MGMT_STATUS_INVALID_PARAMS); | |
3272 | goto unlock; | |
3273 | } | |
3274 | ||
3275 | conn = cmd->user_data; | |
3276 | ||
3277 | if (bacmp(&addr->bdaddr, &conn->dst) != 0) { | |
3278 | err = cmd_status(sk, hdev->id, MGMT_OP_CANCEL_PAIR_DEVICE, | |
3279 | MGMT_STATUS_INVALID_PARAMS); | |
3280 | goto unlock; | |
3281 | } | |
3282 | ||
3283 | pairing_complete(cmd, MGMT_STATUS_CANCELLED); | |
3284 | ||
3285 | err = cmd_complete(sk, hdev->id, MGMT_OP_CANCEL_PAIR_DEVICE, 0, | |
3286 | addr, sizeof(*addr)); | |
3287 | unlock: | |
3288 | hci_dev_unlock(hdev); | |
3289 | return err; | |
3290 | } | |
3291 | ||
3292 | static int user_pairing_resp(struct sock *sk, struct hci_dev *hdev, | |
3293 | struct mgmt_addr_info *addr, u16 mgmt_op, | |
3294 | u16 hci_op, __le32 passkey) | |
3295 | { | |
3296 | struct pending_cmd *cmd; | |
3297 | struct hci_conn *conn; | |
3298 | int err; | |
3299 | ||
3300 | hci_dev_lock(hdev); | |
3301 | ||
3302 | if (!hdev_is_powered(hdev)) { | |
3303 | err = cmd_complete(sk, hdev->id, mgmt_op, | |
3304 | MGMT_STATUS_NOT_POWERED, addr, | |
3305 | sizeof(*addr)); | |
3306 | goto done; | |
3307 | } | |
3308 | ||
3309 | if (addr->type == BDADDR_BREDR) | |
3310 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &addr->bdaddr); | |
3311 | else | |
3312 | conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, &addr->bdaddr); | |
3313 | ||
3314 | if (!conn) { | |
3315 | err = cmd_complete(sk, hdev->id, mgmt_op, | |
3316 | MGMT_STATUS_NOT_CONNECTED, addr, | |
3317 | sizeof(*addr)); | |
3318 | goto done; | |
3319 | } | |
3320 | ||
3321 | if (addr->type == BDADDR_LE_PUBLIC || addr->type == BDADDR_LE_RANDOM) { | |
3322 | err = smp_user_confirm_reply(conn, mgmt_op, passkey); | |
3323 | if (!err) | |
3324 | err = cmd_complete(sk, hdev->id, mgmt_op, | |
3325 | MGMT_STATUS_SUCCESS, addr, | |
3326 | sizeof(*addr)); | |
3327 | else | |
3328 | err = cmd_complete(sk, hdev->id, mgmt_op, | |
3329 | MGMT_STATUS_FAILED, addr, | |
3330 | sizeof(*addr)); | |
3331 | ||
3332 | goto done; | |
3333 | } | |
3334 | ||
3335 | cmd = mgmt_pending_add(sk, mgmt_op, hdev, addr, sizeof(*addr)); | |
3336 | if (!cmd) { | |
3337 | err = -ENOMEM; | |
3338 | goto done; | |
3339 | } | |
3340 | ||
3341 | /* Continue with pairing via HCI */ | |
3342 | if (hci_op == HCI_OP_USER_PASSKEY_REPLY) { | |
3343 | struct hci_cp_user_passkey_reply cp; | |
3344 | ||
3345 | bacpy(&cp.bdaddr, &addr->bdaddr); | |
3346 | cp.passkey = passkey; | |
3347 | err = hci_send_cmd(hdev, hci_op, sizeof(cp), &cp); | |
3348 | } else | |
3349 | err = hci_send_cmd(hdev, hci_op, sizeof(addr->bdaddr), | |
3350 | &addr->bdaddr); | |
3351 | ||
3352 | if (err < 0) | |
3353 | mgmt_pending_remove(cmd); | |
3354 | ||
3355 | done: | |
3356 | hci_dev_unlock(hdev); | |
3357 | return err; | |
3358 | } | |
3359 | ||
3360 | static int pin_code_neg_reply(struct sock *sk, struct hci_dev *hdev, | |
3361 | void *data, u16 len) | |
3362 | { | |
3363 | struct mgmt_cp_pin_code_neg_reply *cp = data; | |
3364 | ||
3365 | BT_DBG(""); | |
3366 | ||
3367 | return user_pairing_resp(sk, hdev, &cp->addr, | |
3368 | MGMT_OP_PIN_CODE_NEG_REPLY, | |
3369 | HCI_OP_PIN_CODE_NEG_REPLY, 0); | |
3370 | } | |
3371 | ||
3372 | static int user_confirm_reply(struct sock *sk, struct hci_dev *hdev, void *data, | |
3373 | u16 len) | |
3374 | { | |
3375 | struct mgmt_cp_user_confirm_reply *cp = data; | |
3376 | ||
3377 | BT_DBG(""); | |
3378 | ||
3379 | if (len != sizeof(*cp)) | |
3380 | return cmd_status(sk, hdev->id, MGMT_OP_USER_CONFIRM_REPLY, | |
3381 | MGMT_STATUS_INVALID_PARAMS); | |
3382 | ||
3383 | return user_pairing_resp(sk, hdev, &cp->addr, | |
3384 | MGMT_OP_USER_CONFIRM_REPLY, | |
3385 | HCI_OP_USER_CONFIRM_REPLY, 0); | |
3386 | } | |
3387 | ||
3388 | static int user_confirm_neg_reply(struct sock *sk, struct hci_dev *hdev, | |
3389 | void *data, u16 len) | |
3390 | { | |
3391 | struct mgmt_cp_user_confirm_neg_reply *cp = data; | |
3392 | ||
3393 | BT_DBG(""); | |
3394 | ||
3395 | return user_pairing_resp(sk, hdev, &cp->addr, | |
3396 | MGMT_OP_USER_CONFIRM_NEG_REPLY, | |
3397 | HCI_OP_USER_CONFIRM_NEG_REPLY, 0); | |
3398 | } | |
3399 | ||
3400 | static int user_passkey_reply(struct sock *sk, struct hci_dev *hdev, void *data, | |
3401 | u16 len) | |
3402 | { | |
3403 | struct mgmt_cp_user_passkey_reply *cp = data; | |
3404 | ||
3405 | BT_DBG(""); | |
3406 | ||
3407 | return user_pairing_resp(sk, hdev, &cp->addr, | |
3408 | MGMT_OP_USER_PASSKEY_REPLY, | |
3409 | HCI_OP_USER_PASSKEY_REPLY, cp->passkey); | |
3410 | } | |
3411 | ||
3412 | static int user_passkey_neg_reply(struct sock *sk, struct hci_dev *hdev, | |
3413 | void *data, u16 len) | |
3414 | { | |
3415 | struct mgmt_cp_user_passkey_neg_reply *cp = data; | |
3416 | ||
3417 | BT_DBG(""); | |
3418 | ||
3419 | return user_pairing_resp(sk, hdev, &cp->addr, | |
3420 | MGMT_OP_USER_PASSKEY_NEG_REPLY, | |
3421 | HCI_OP_USER_PASSKEY_NEG_REPLY, 0); | |
3422 | } | |
3423 | ||
3424 | static void update_name(struct hci_request *req) | |
3425 | { | |
3426 | struct hci_dev *hdev = req->hdev; | |
3427 | struct hci_cp_write_local_name cp; | |
3428 | ||
3429 | memcpy(cp.name, hdev->dev_name, sizeof(cp.name)); | |
3430 | ||
3431 | hci_req_add(req, HCI_OP_WRITE_LOCAL_NAME, sizeof(cp), &cp); | |
3432 | } | |
3433 | ||
3434 | static void set_name_complete(struct hci_dev *hdev, u8 status) | |
3435 | { | |
3436 | struct mgmt_cp_set_local_name *cp; | |
3437 | struct pending_cmd *cmd; | |
3438 | ||
3439 | BT_DBG("status 0x%02x", status); | |
3440 | ||
3441 | hci_dev_lock(hdev); | |
3442 | ||
3443 | cmd = mgmt_pending_find(MGMT_OP_SET_LOCAL_NAME, hdev); | |
3444 | if (!cmd) | |
3445 | goto unlock; | |
3446 | ||
3447 | cp = cmd->param; | |
3448 | ||
3449 | if (status) | |
3450 | cmd_status(cmd->sk, hdev->id, MGMT_OP_SET_LOCAL_NAME, | |
3451 | mgmt_status(status)); | |
3452 | else | |
3453 | cmd_complete(cmd->sk, hdev->id, MGMT_OP_SET_LOCAL_NAME, 0, | |
3454 | cp, sizeof(*cp)); | |
3455 | ||
3456 | mgmt_pending_remove(cmd); | |
3457 | ||
3458 | unlock: | |
3459 | hci_dev_unlock(hdev); | |
3460 | } | |
3461 | ||
3462 | static int set_local_name(struct sock *sk, struct hci_dev *hdev, void *data, | |
3463 | u16 len) | |
3464 | { | |
3465 | struct mgmt_cp_set_local_name *cp = data; | |
3466 | struct pending_cmd *cmd; | |
3467 | struct hci_request req; | |
3468 | int err; | |
3469 | ||
3470 | BT_DBG(""); | |
3471 | ||
3472 | hci_dev_lock(hdev); | |
3473 | ||
3474 | /* If the old values are the same as the new ones just return a | |
3475 | * direct command complete event. | |
3476 | */ | |
3477 | if (!memcmp(hdev->dev_name, cp->name, sizeof(hdev->dev_name)) && | |
3478 | !memcmp(hdev->short_name, cp->short_name, | |
3479 | sizeof(hdev->short_name))) { | |
3480 | err = cmd_complete(sk, hdev->id, MGMT_OP_SET_LOCAL_NAME, 0, | |
3481 | data, len); | |
3482 | goto failed; | |
3483 | } | |
3484 | ||
3485 | memcpy(hdev->short_name, cp->short_name, sizeof(hdev->short_name)); | |
3486 | ||
3487 | if (!hdev_is_powered(hdev)) { | |
3488 | memcpy(hdev->dev_name, cp->name, sizeof(hdev->dev_name)); | |
3489 | ||
3490 | err = cmd_complete(sk, hdev->id, MGMT_OP_SET_LOCAL_NAME, 0, | |
3491 | data, len); | |
3492 | if (err < 0) | |
3493 | goto failed; | |
3494 | ||
3495 | err = mgmt_event(MGMT_EV_LOCAL_NAME_CHANGED, hdev, data, len, | |
3496 | sk); | |
3497 | ||
3498 | goto failed; | |
3499 | } | |
3500 | ||
3501 | cmd = mgmt_pending_add(sk, MGMT_OP_SET_LOCAL_NAME, hdev, data, len); | |
3502 | if (!cmd) { | |
3503 | err = -ENOMEM; | |
3504 | goto failed; | |
3505 | } | |
3506 | ||
3507 | memcpy(hdev->dev_name, cp->name, sizeof(hdev->dev_name)); | |
3508 | ||
3509 | hci_req_init(&req, hdev); | |
3510 | ||
3511 | if (lmp_bredr_capable(hdev)) { | |
3512 | update_name(&req); | |
3513 | update_eir(&req); | |
3514 | } | |
3515 | ||
3516 | /* The name is stored in the scan response data and so | |
3517 | * no need to udpate the advertising data here. | |
3518 | */ | |
3519 | if (lmp_le_capable(hdev)) | |
3520 | update_scan_rsp_data(&req); | |
3521 | ||
3522 | err = hci_req_run(&req, set_name_complete); | |
3523 | if (err < 0) | |
3524 | mgmt_pending_remove(cmd); | |
3525 | ||
3526 | failed: | |
3527 | hci_dev_unlock(hdev); | |
3528 | return err; | |
3529 | } | |
3530 | ||
3531 | static int read_local_oob_data(struct sock *sk, struct hci_dev *hdev, | |
3532 | void *data, u16 data_len) | |
3533 | { | |
3534 | struct pending_cmd *cmd; | |
3535 | int err; | |
3536 | ||
3537 | BT_DBG("%s", hdev->name); | |
3538 | ||
3539 | hci_dev_lock(hdev); | |
3540 | ||
3541 | if (!hdev_is_powered(hdev)) { | |
3542 | err = cmd_status(sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA, | |
3543 | MGMT_STATUS_NOT_POWERED); | |
3544 | goto unlock; | |
3545 | } | |
3546 | ||
3547 | if (!lmp_ssp_capable(hdev)) { | |
3548 | err = cmd_status(sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA, | |
3549 | MGMT_STATUS_NOT_SUPPORTED); | |
3550 | goto unlock; | |
3551 | } | |
3552 | ||
3553 | if (mgmt_pending_find(MGMT_OP_READ_LOCAL_OOB_DATA, hdev)) { | |
3554 | err = cmd_status(sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA, | |
3555 | MGMT_STATUS_BUSY); | |
3556 | goto unlock; | |
3557 | } | |
3558 | ||
3559 | cmd = mgmt_pending_add(sk, MGMT_OP_READ_LOCAL_OOB_DATA, hdev, NULL, 0); | |
3560 | if (!cmd) { | |
3561 | err = -ENOMEM; | |
3562 | goto unlock; | |
3563 | } | |
3564 | ||
3565 | if (test_bit(HCI_SC_ENABLED, &hdev->dev_flags)) | |
3566 | err = hci_send_cmd(hdev, HCI_OP_READ_LOCAL_OOB_EXT_DATA, | |
3567 | 0, NULL); | |
3568 | else | |
3569 | err = hci_send_cmd(hdev, HCI_OP_READ_LOCAL_OOB_DATA, 0, NULL); | |
3570 | ||
3571 | if (err < 0) | |
3572 | mgmt_pending_remove(cmd); | |
3573 | ||
3574 | unlock: | |
3575 | hci_dev_unlock(hdev); | |
3576 | return err; | |
3577 | } | |
3578 | ||
3579 | static int add_remote_oob_data(struct sock *sk, struct hci_dev *hdev, | |
3580 | void *data, u16 len) | |
3581 | { | |
3582 | int err; | |
3583 | ||
3584 | BT_DBG("%s ", hdev->name); | |
3585 | ||
3586 | hci_dev_lock(hdev); | |
3587 | ||
3588 | if (len == MGMT_ADD_REMOTE_OOB_DATA_SIZE) { | |
3589 | struct mgmt_cp_add_remote_oob_data *cp = data; | |
3590 | u8 status; | |
3591 | ||
3592 | if (cp->addr.type != BDADDR_BREDR) { | |
3593 | err = cmd_complete(sk, hdev->id, | |
3594 | MGMT_OP_ADD_REMOTE_OOB_DATA, | |
3595 | MGMT_STATUS_INVALID_PARAMS, | |
3596 | &cp->addr, sizeof(cp->addr)); | |
3597 | goto unlock; | |
3598 | } | |
3599 | ||
3600 | err = hci_add_remote_oob_data(hdev, &cp->addr.bdaddr, | |
3601 | cp->hash, cp->rand); | |
3602 | if (err < 0) | |
3603 | status = MGMT_STATUS_FAILED; | |
3604 | else | |
3605 | status = MGMT_STATUS_SUCCESS; | |
3606 | ||
3607 | err = cmd_complete(sk, hdev->id, MGMT_OP_ADD_REMOTE_OOB_DATA, | |
3608 | status, &cp->addr, sizeof(cp->addr)); | |
3609 | } else if (len == MGMT_ADD_REMOTE_OOB_EXT_DATA_SIZE) { | |
3610 | struct mgmt_cp_add_remote_oob_ext_data *cp = data; | |
3611 | u8 status; | |
3612 | ||
3613 | if (cp->addr.type != BDADDR_BREDR) { | |
3614 | err = cmd_complete(sk, hdev->id, | |
3615 | MGMT_OP_ADD_REMOTE_OOB_DATA, | |
3616 | MGMT_STATUS_INVALID_PARAMS, | |
3617 | &cp->addr, sizeof(cp->addr)); | |
3618 | goto unlock; | |
3619 | } | |
3620 | ||
3621 | err = hci_add_remote_oob_ext_data(hdev, &cp->addr.bdaddr, | |
3622 | cp->hash192, cp->rand192, | |
3623 | cp->hash256, cp->rand256); | |
3624 | if (err < 0) | |
3625 | status = MGMT_STATUS_FAILED; | |
3626 | else | |
3627 | status = MGMT_STATUS_SUCCESS; | |
3628 | ||
3629 | err = cmd_complete(sk, hdev->id, MGMT_OP_ADD_REMOTE_OOB_DATA, | |
3630 | status, &cp->addr, sizeof(cp->addr)); | |
3631 | } else { | |
3632 | BT_ERR("add_remote_oob_data: invalid length of %u bytes", len); | |
3633 | err = cmd_status(sk, hdev->id, MGMT_OP_ADD_REMOTE_OOB_DATA, | |
3634 | MGMT_STATUS_INVALID_PARAMS); | |
3635 | } | |
3636 | ||
3637 | unlock: | |
3638 | hci_dev_unlock(hdev); | |
3639 | return err; | |
3640 | } | |
3641 | ||
3642 | static int remove_remote_oob_data(struct sock *sk, struct hci_dev *hdev, | |
3643 | void *data, u16 len) | |
3644 | { | |
3645 | struct mgmt_cp_remove_remote_oob_data *cp = data; | |
3646 | u8 status; | |
3647 | int err; | |
3648 | ||
3649 | BT_DBG("%s", hdev->name); | |
3650 | ||
3651 | if (cp->addr.type != BDADDR_BREDR) | |
3652 | return cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_REMOTE_OOB_DATA, | |
3653 | MGMT_STATUS_INVALID_PARAMS, | |
3654 | &cp->addr, sizeof(cp->addr)); | |
3655 | ||
3656 | hci_dev_lock(hdev); | |
3657 | ||
3658 | if (!bacmp(&cp->addr.bdaddr, BDADDR_ANY)) { | |
3659 | hci_remote_oob_data_clear(hdev); | |
3660 | status = MGMT_STATUS_SUCCESS; | |
3661 | goto done; | |
3662 | } | |
3663 | ||
3664 | err = hci_remove_remote_oob_data(hdev, &cp->addr.bdaddr); | |
3665 | if (err < 0) | |
3666 | status = MGMT_STATUS_INVALID_PARAMS; | |
3667 | else | |
3668 | status = MGMT_STATUS_SUCCESS; | |
3669 | ||
3670 | done: | |
3671 | err = cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_REMOTE_OOB_DATA, | |
3672 | status, &cp->addr, sizeof(cp->addr)); | |
3673 | ||
3674 | hci_dev_unlock(hdev); | |
3675 | return err; | |
3676 | } | |
3677 | ||
3678 | static int mgmt_start_discovery_failed(struct hci_dev *hdev, u8 status) | |
3679 | { | |
3680 | struct pending_cmd *cmd; | |
3681 | u8 type; | |
3682 | int err; | |
3683 | ||
3684 | hci_discovery_set_state(hdev, DISCOVERY_STOPPED); | |
3685 | ||
3686 | cmd = mgmt_pending_find(MGMT_OP_START_DISCOVERY, hdev); | |
3687 | if (!cmd) | |
3688 | return -ENOENT; | |
3689 | ||
3690 | type = hdev->discovery.type; | |
3691 | ||
3692 | err = cmd_complete(cmd->sk, hdev->id, cmd->opcode, mgmt_status(status), | |
3693 | &type, sizeof(type)); | |
3694 | mgmt_pending_remove(cmd); | |
3695 | ||
3696 | return err; | |
3697 | } | |
3698 | ||
3699 | static void start_discovery_complete(struct hci_dev *hdev, u8 status) | |
3700 | { | |
3701 | unsigned long timeout = 0; | |
3702 | ||
3703 | BT_DBG("status %d", status); | |
3704 | ||
3705 | if (status) { | |
3706 | hci_dev_lock(hdev); | |
3707 | mgmt_start_discovery_failed(hdev, status); | |
3708 | hci_dev_unlock(hdev); | |
3709 | return; | |
3710 | } | |
3711 | ||
3712 | hci_dev_lock(hdev); | |
3713 | hci_discovery_set_state(hdev, DISCOVERY_FINDING); | |
3714 | hci_dev_unlock(hdev); | |
3715 | ||
3716 | switch (hdev->discovery.type) { | |
3717 | case DISCOV_TYPE_LE: | |
3718 | timeout = msecs_to_jiffies(DISCOV_LE_TIMEOUT); | |
3719 | break; | |
3720 | ||
3721 | case DISCOV_TYPE_INTERLEAVED: | |
3722 | timeout = msecs_to_jiffies(hdev->discov_interleaved_timeout); | |
3723 | break; | |
3724 | ||
3725 | case DISCOV_TYPE_BREDR: | |
3726 | break; | |
3727 | ||
3728 | default: | |
3729 | BT_ERR("Invalid discovery type %d", hdev->discovery.type); | |
3730 | } | |
3731 | ||
3732 | if (!timeout) | |
3733 | return; | |
3734 | ||
3735 | queue_delayed_work(hdev->workqueue, &hdev->le_scan_disable, timeout); | |
3736 | } | |
3737 | ||
3738 | static int start_discovery(struct sock *sk, struct hci_dev *hdev, | |
3739 | void *data, u16 len) | |
3740 | { | |
3741 | struct mgmt_cp_start_discovery *cp = data; | |
3742 | struct pending_cmd *cmd; | |
3743 | struct hci_cp_le_set_scan_param param_cp; | |
3744 | struct hci_cp_le_set_scan_enable enable_cp; | |
3745 | struct hci_cp_inquiry inq_cp; | |
3746 | struct hci_request req; | |
3747 | /* General inquiry access code (GIAC) */ | |
3748 | u8 lap[3] = { 0x33, 0x8b, 0x9e }; | |
3749 | u8 status, own_addr_type; | |
3750 | int err; | |
3751 | ||
3752 | BT_DBG("%s", hdev->name); | |
3753 | ||
3754 | hci_dev_lock(hdev); | |
3755 | ||
3756 | if (!hdev_is_powered(hdev)) { | |
3757 | err = cmd_complete(sk, hdev->id, MGMT_OP_START_DISCOVERY, | |
3758 | MGMT_STATUS_NOT_POWERED, | |
3759 | &cp->type, sizeof(cp->type)); | |
3760 | goto failed; | |
3761 | } | |
3762 | ||
3763 | if (test_bit(HCI_PERIODIC_INQ, &hdev->dev_flags)) { | |
3764 | err = cmd_complete(sk, hdev->id, MGMT_OP_START_DISCOVERY, | |
3765 | MGMT_STATUS_BUSY, &cp->type, | |
3766 | sizeof(cp->type)); | |
3767 | goto failed; | |
3768 | } | |
3769 | ||
3770 | if (hdev->discovery.state != DISCOVERY_STOPPED) { | |
3771 | err = cmd_complete(sk, hdev->id, MGMT_OP_START_DISCOVERY, | |
3772 | MGMT_STATUS_BUSY, &cp->type, | |
3773 | sizeof(cp->type)); | |
3774 | goto failed; | |
3775 | } | |
3776 | ||
3777 | cmd = mgmt_pending_add(sk, MGMT_OP_START_DISCOVERY, hdev, NULL, 0); | |
3778 | if (!cmd) { | |
3779 | err = -ENOMEM; | |
3780 | goto failed; | |
3781 | } | |
3782 | ||
3783 | hdev->discovery.type = cp->type; | |
3784 | ||
3785 | hci_req_init(&req, hdev); | |
3786 | ||
3787 | switch (hdev->discovery.type) { | |
3788 | case DISCOV_TYPE_BREDR: | |
3789 | status = mgmt_bredr_support(hdev); | |
3790 | if (status) { | |
3791 | err = cmd_complete(sk, hdev->id, | |
3792 | MGMT_OP_START_DISCOVERY, status, | |
3793 | &cp->type, sizeof(cp->type)); | |
3794 | mgmt_pending_remove(cmd); | |
3795 | goto failed; | |
3796 | } | |
3797 | ||
3798 | if (test_bit(HCI_INQUIRY, &hdev->flags)) { | |
3799 | err = cmd_complete(sk, hdev->id, | |
3800 | MGMT_OP_START_DISCOVERY, | |
3801 | MGMT_STATUS_BUSY, &cp->type, | |
3802 | sizeof(cp->type)); | |
3803 | mgmt_pending_remove(cmd); | |
3804 | goto failed; | |
3805 | } | |
3806 | ||
3807 | hci_inquiry_cache_flush(hdev); | |
3808 | ||
3809 | memset(&inq_cp, 0, sizeof(inq_cp)); | |
3810 | memcpy(&inq_cp.lap, lap, sizeof(inq_cp.lap)); | |
3811 | inq_cp.length = DISCOV_BREDR_INQUIRY_LEN; | |
3812 | hci_req_add(&req, HCI_OP_INQUIRY, sizeof(inq_cp), &inq_cp); | |
3813 | break; | |
3814 | ||
3815 | case DISCOV_TYPE_LE: | |
3816 | case DISCOV_TYPE_INTERLEAVED: | |
3817 | status = mgmt_le_support(hdev); | |
3818 | if (status) { | |
3819 | err = cmd_complete(sk, hdev->id, | |
3820 | MGMT_OP_START_DISCOVERY, status, | |
3821 | &cp->type, sizeof(cp->type)); | |
3822 | mgmt_pending_remove(cmd); | |
3823 | goto failed; | |
3824 | } | |
3825 | ||
3826 | if (hdev->discovery.type == DISCOV_TYPE_INTERLEAVED && | |
3827 | !test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags)) { | |
3828 | err = cmd_complete(sk, hdev->id, | |
3829 | MGMT_OP_START_DISCOVERY, | |
3830 | MGMT_STATUS_NOT_SUPPORTED, | |
3831 | &cp->type, sizeof(cp->type)); | |
3832 | mgmt_pending_remove(cmd); | |
3833 | goto failed; | |
3834 | } | |
3835 | ||
3836 | if (test_bit(HCI_LE_ADV, &hdev->dev_flags)) { | |
3837 | /* Don't let discovery abort an outgoing | |
3838 | * connection attempt that's using directed | |
3839 | * advertising. | |
3840 | */ | |
3841 | if (hci_conn_hash_lookup_state(hdev, LE_LINK, | |
3842 | BT_CONNECT)) { | |
3843 | err = cmd_complete(sk, hdev->id, | |
3844 | MGMT_OP_START_DISCOVERY, | |
3845 | MGMT_STATUS_REJECTED, | |
3846 | &cp->type, | |
3847 | sizeof(cp->type)); | |
3848 | mgmt_pending_remove(cmd); | |
3849 | goto failed; | |
3850 | } | |
3851 | ||
3852 | disable_advertising(&req); | |
3853 | } | |
3854 | ||
3855 | /* If controller is scanning, it means the background scanning | |
3856 | * is running. Thus, we should temporarily stop it in order to | |
3857 | * set the discovery scanning parameters. | |
3858 | */ | |
3859 | if (test_bit(HCI_LE_SCAN, &hdev->dev_flags)) | |
3860 | hci_req_add_le_scan_disable(&req); | |
3861 | ||
3862 | memset(¶m_cp, 0, sizeof(param_cp)); | |
3863 | ||
3864 | /* All active scans will be done with either a resolvable | |
3865 | * private address (when privacy feature has been enabled) | |
3866 | * or unresolvable private address. | |
3867 | */ | |
3868 | err = hci_update_random_address(&req, true, &own_addr_type); | |
3869 | if (err < 0) { | |
3870 | err = cmd_complete(sk, hdev->id, | |
3871 | MGMT_OP_START_DISCOVERY, | |
3872 | MGMT_STATUS_FAILED, | |
3873 | &cp->type, sizeof(cp->type)); | |
3874 | mgmt_pending_remove(cmd); | |
3875 | goto failed; | |
3876 | } | |
3877 | ||
3878 | param_cp.type = LE_SCAN_ACTIVE; | |
3879 | param_cp.interval = cpu_to_le16(DISCOV_LE_SCAN_INT); | |
3880 | param_cp.window = cpu_to_le16(DISCOV_LE_SCAN_WIN); | |
3881 | param_cp.own_address_type = own_addr_type; | |
3882 | hci_req_add(&req, HCI_OP_LE_SET_SCAN_PARAM, sizeof(param_cp), | |
3883 | ¶m_cp); | |
3884 | ||
3885 | memset(&enable_cp, 0, sizeof(enable_cp)); | |
3886 | enable_cp.enable = LE_SCAN_ENABLE; | |
3887 | enable_cp.filter_dup = LE_SCAN_FILTER_DUP_ENABLE; | |
3888 | hci_req_add(&req, HCI_OP_LE_SET_SCAN_ENABLE, sizeof(enable_cp), | |
3889 | &enable_cp); | |
3890 | break; | |
3891 | ||
3892 | default: | |
3893 | err = cmd_complete(sk, hdev->id, MGMT_OP_START_DISCOVERY, | |
3894 | MGMT_STATUS_INVALID_PARAMS, | |
3895 | &cp->type, sizeof(cp->type)); | |
3896 | mgmt_pending_remove(cmd); | |
3897 | goto failed; | |
3898 | } | |
3899 | ||
3900 | err = hci_req_run(&req, start_discovery_complete); | |
3901 | if (err < 0) | |
3902 | mgmt_pending_remove(cmd); | |
3903 | else | |
3904 | hci_discovery_set_state(hdev, DISCOVERY_STARTING); | |
3905 | ||
3906 | failed: | |
3907 | hci_dev_unlock(hdev); | |
3908 | return err; | |
3909 | } | |
3910 | ||
3911 | static int mgmt_stop_discovery_failed(struct hci_dev *hdev, u8 status) | |
3912 | { | |
3913 | struct pending_cmd *cmd; | |
3914 | int err; | |
3915 | ||
3916 | cmd = mgmt_pending_find(MGMT_OP_STOP_DISCOVERY, hdev); | |
3917 | if (!cmd) | |
3918 | return -ENOENT; | |
3919 | ||
3920 | err = cmd_complete(cmd->sk, hdev->id, cmd->opcode, mgmt_status(status), | |
3921 | &hdev->discovery.type, sizeof(hdev->discovery.type)); | |
3922 | mgmt_pending_remove(cmd); | |
3923 | ||
3924 | return err; | |
3925 | } | |
3926 | ||
3927 | static void stop_discovery_complete(struct hci_dev *hdev, u8 status) | |
3928 | { | |
3929 | BT_DBG("status %d", status); | |
3930 | ||
3931 | hci_dev_lock(hdev); | |
3932 | ||
3933 | if (status) { | |
3934 | mgmt_stop_discovery_failed(hdev, status); | |
3935 | goto unlock; | |
3936 | } | |
3937 | ||
3938 | hci_discovery_set_state(hdev, DISCOVERY_STOPPED); | |
3939 | ||
3940 | unlock: | |
3941 | hci_dev_unlock(hdev); | |
3942 | } | |
3943 | ||
3944 | static int stop_discovery(struct sock *sk, struct hci_dev *hdev, void *data, | |
3945 | u16 len) | |
3946 | { | |
3947 | struct mgmt_cp_stop_discovery *mgmt_cp = data; | |
3948 | struct pending_cmd *cmd; | |
3949 | struct hci_request req; | |
3950 | int err; | |
3951 | ||
3952 | BT_DBG("%s", hdev->name); | |
3953 | ||
3954 | hci_dev_lock(hdev); | |
3955 | ||
3956 | if (!hci_discovery_active(hdev)) { | |
3957 | err = cmd_complete(sk, hdev->id, MGMT_OP_STOP_DISCOVERY, | |
3958 | MGMT_STATUS_REJECTED, &mgmt_cp->type, | |
3959 | sizeof(mgmt_cp->type)); | |
3960 | goto unlock; | |
3961 | } | |
3962 | ||
3963 | if (hdev->discovery.type != mgmt_cp->type) { | |
3964 | err = cmd_complete(sk, hdev->id, MGMT_OP_STOP_DISCOVERY, | |
3965 | MGMT_STATUS_INVALID_PARAMS, &mgmt_cp->type, | |
3966 | sizeof(mgmt_cp->type)); | |
3967 | goto unlock; | |
3968 | } | |
3969 | ||
3970 | cmd = mgmt_pending_add(sk, MGMT_OP_STOP_DISCOVERY, hdev, NULL, 0); | |
3971 | if (!cmd) { | |
3972 | err = -ENOMEM; | |
3973 | goto unlock; | |
3974 | } | |
3975 | ||
3976 | hci_req_init(&req, hdev); | |
3977 | ||
3978 | hci_stop_discovery(&req); | |
3979 | ||
3980 | err = hci_req_run(&req, stop_discovery_complete); | |
3981 | if (!err) { | |
3982 | hci_discovery_set_state(hdev, DISCOVERY_STOPPING); | |
3983 | goto unlock; | |
3984 | } | |
3985 | ||
3986 | mgmt_pending_remove(cmd); | |
3987 | ||
3988 | /* If no HCI commands were sent we're done */ | |
3989 | if (err == -ENODATA) { | |
3990 | err = cmd_complete(sk, hdev->id, MGMT_OP_STOP_DISCOVERY, 0, | |
3991 | &mgmt_cp->type, sizeof(mgmt_cp->type)); | |
3992 | hci_discovery_set_state(hdev, DISCOVERY_STOPPED); | |
3993 | } | |
3994 | ||
3995 | unlock: | |
3996 | hci_dev_unlock(hdev); | |
3997 | return err; | |
3998 | } | |
3999 | ||
4000 | static int confirm_name(struct sock *sk, struct hci_dev *hdev, void *data, | |
4001 | u16 len) | |
4002 | { | |
4003 | struct mgmt_cp_confirm_name *cp = data; | |
4004 | struct inquiry_entry *e; | |
4005 | int err; | |
4006 | ||
4007 | BT_DBG("%s", hdev->name); | |
4008 | ||
4009 | hci_dev_lock(hdev); | |
4010 | ||
4011 | if (!hci_discovery_active(hdev)) { | |
4012 | err = cmd_complete(sk, hdev->id, MGMT_OP_CONFIRM_NAME, | |
4013 | MGMT_STATUS_FAILED, &cp->addr, | |
4014 | sizeof(cp->addr)); | |
4015 | goto failed; | |
4016 | } | |
4017 | ||
4018 | e = hci_inquiry_cache_lookup_unknown(hdev, &cp->addr.bdaddr); | |
4019 | if (!e) { | |
4020 | err = cmd_complete(sk, hdev->id, MGMT_OP_CONFIRM_NAME, | |
4021 | MGMT_STATUS_INVALID_PARAMS, &cp->addr, | |
4022 | sizeof(cp->addr)); | |
4023 | goto failed; | |
4024 | } | |
4025 | ||
4026 | if (cp->name_known) { | |
4027 | e->name_state = NAME_KNOWN; | |
4028 | list_del(&e->list); | |
4029 | } else { | |
4030 | e->name_state = NAME_NEEDED; | |
4031 | hci_inquiry_cache_update_resolve(hdev, e); | |
4032 | } | |
4033 | ||
4034 | err = cmd_complete(sk, hdev->id, MGMT_OP_CONFIRM_NAME, 0, &cp->addr, | |
4035 | sizeof(cp->addr)); | |
4036 | ||
4037 | failed: | |
4038 | hci_dev_unlock(hdev); | |
4039 | return err; | |
4040 | } | |
4041 | ||
4042 | static int block_device(struct sock *sk, struct hci_dev *hdev, void *data, | |
4043 | u16 len) | |
4044 | { | |
4045 | struct mgmt_cp_block_device *cp = data; | |
4046 | u8 status; | |
4047 | int err; | |
4048 | ||
4049 | BT_DBG("%s", hdev->name); | |
4050 | ||
4051 | if (!bdaddr_type_is_valid(cp->addr.type)) | |
4052 | return cmd_complete(sk, hdev->id, MGMT_OP_BLOCK_DEVICE, | |
4053 | MGMT_STATUS_INVALID_PARAMS, | |
4054 | &cp->addr, sizeof(cp->addr)); | |
4055 | ||
4056 | hci_dev_lock(hdev); | |
4057 | ||
4058 | err = hci_bdaddr_list_add(&hdev->blacklist, &cp->addr.bdaddr, | |
4059 | cp->addr.type); | |
4060 | if (err < 0) { | |
4061 | status = MGMT_STATUS_FAILED; | |
4062 | goto done; | |
4063 | } | |
4064 | ||
4065 | mgmt_event(MGMT_EV_DEVICE_BLOCKED, hdev, &cp->addr, sizeof(cp->addr), | |
4066 | sk); | |
4067 | status = MGMT_STATUS_SUCCESS; | |
4068 | ||
4069 | done: | |
4070 | err = cmd_complete(sk, hdev->id, MGMT_OP_BLOCK_DEVICE, status, | |
4071 | &cp->addr, sizeof(cp->addr)); | |
4072 | ||
4073 | hci_dev_unlock(hdev); | |
4074 | ||
4075 | return err; | |
4076 | } | |
4077 | ||
4078 | static int unblock_device(struct sock *sk, struct hci_dev *hdev, void *data, | |
4079 | u16 len) | |
4080 | { | |
4081 | struct mgmt_cp_unblock_device *cp = data; | |
4082 | u8 status; | |
4083 | int err; | |
4084 | ||
4085 | BT_DBG("%s", hdev->name); | |
4086 | ||
4087 | if (!bdaddr_type_is_valid(cp->addr.type)) | |
4088 | return cmd_complete(sk, hdev->id, MGMT_OP_UNBLOCK_DEVICE, | |
4089 | MGMT_STATUS_INVALID_PARAMS, | |
4090 | &cp->addr, sizeof(cp->addr)); | |
4091 | ||
4092 | hci_dev_lock(hdev); | |
4093 | ||
4094 | err = hci_bdaddr_list_del(&hdev->blacklist, &cp->addr.bdaddr, | |
4095 | cp->addr.type); | |
4096 | if (err < 0) { | |
4097 | status = MGMT_STATUS_INVALID_PARAMS; | |
4098 | goto done; | |
4099 | } | |
4100 | ||
4101 | mgmt_event(MGMT_EV_DEVICE_UNBLOCKED, hdev, &cp->addr, sizeof(cp->addr), | |
4102 | sk); | |
4103 | status = MGMT_STATUS_SUCCESS; | |
4104 | ||
4105 | done: | |
4106 | err = cmd_complete(sk, hdev->id, MGMT_OP_UNBLOCK_DEVICE, status, | |
4107 | &cp->addr, sizeof(cp->addr)); | |
4108 | ||
4109 | hci_dev_unlock(hdev); | |
4110 | ||
4111 | return err; | |
4112 | } | |
4113 | ||
4114 | static int set_device_id(struct sock *sk, struct hci_dev *hdev, void *data, | |
4115 | u16 len) | |
4116 | { | |
4117 | struct mgmt_cp_set_device_id *cp = data; | |
4118 | struct hci_request req; | |
4119 | int err; | |
4120 | __u16 source; | |
4121 | ||
4122 | BT_DBG("%s", hdev->name); | |
4123 | ||
4124 | source = __le16_to_cpu(cp->source); | |
4125 | ||
4126 | if (source > 0x0002) | |
4127 | return cmd_status(sk, hdev->id, MGMT_OP_SET_DEVICE_ID, | |
4128 | MGMT_STATUS_INVALID_PARAMS); | |
4129 | ||
4130 | hci_dev_lock(hdev); | |
4131 | ||
4132 | hdev->devid_source = source; | |
4133 | hdev->devid_vendor = __le16_to_cpu(cp->vendor); | |
4134 | hdev->devid_product = __le16_to_cpu(cp->product); | |
4135 | hdev->devid_version = __le16_to_cpu(cp->version); | |
4136 | ||
4137 | err = cmd_complete(sk, hdev->id, MGMT_OP_SET_DEVICE_ID, 0, NULL, 0); | |
4138 | ||
4139 | hci_req_init(&req, hdev); | |
4140 | update_eir(&req); | |
4141 | hci_req_run(&req, NULL); | |
4142 | ||
4143 | hci_dev_unlock(hdev); | |
4144 | ||
4145 | return err; | |
4146 | } | |
4147 | ||
4148 | static void set_advertising_complete(struct hci_dev *hdev, u8 status) | |
4149 | { | |
4150 | struct cmd_lookup match = { NULL, hdev }; | |
4151 | ||
4152 | if (status) { | |
4153 | u8 mgmt_err = mgmt_status(status); | |
4154 | ||
4155 | mgmt_pending_foreach(MGMT_OP_SET_ADVERTISING, hdev, | |
4156 | cmd_status_rsp, &mgmt_err); | |
4157 | return; | |
4158 | } | |
4159 | ||
4160 | if (test_bit(HCI_LE_ADV, &hdev->dev_flags)) | |
4161 | set_bit(HCI_ADVERTISING, &hdev->dev_flags); | |
4162 | else | |
4163 | clear_bit(HCI_ADVERTISING, &hdev->dev_flags); | |
4164 | ||
4165 | mgmt_pending_foreach(MGMT_OP_SET_ADVERTISING, hdev, settings_rsp, | |
4166 | &match); | |
4167 | ||
4168 | new_settings(hdev, match.sk); | |
4169 | ||
4170 | if (match.sk) | |
4171 | sock_put(match.sk); | |
4172 | } | |
4173 | ||
4174 | static int set_advertising(struct sock *sk, struct hci_dev *hdev, void *data, | |
4175 | u16 len) | |
4176 | { | |
4177 | struct mgmt_mode *cp = data; | |
4178 | struct pending_cmd *cmd; | |
4179 | struct hci_request req; | |
4180 | u8 val, enabled, status; | |
4181 | int err; | |
4182 | ||
4183 | BT_DBG("request for %s", hdev->name); | |
4184 | ||
4185 | status = mgmt_le_support(hdev); | |
4186 | if (status) | |
4187 | return cmd_status(sk, hdev->id, MGMT_OP_SET_ADVERTISING, | |
4188 | status); | |
4189 | ||
4190 | if (cp->val != 0x00 && cp->val != 0x01) | |
4191 | return cmd_status(sk, hdev->id, MGMT_OP_SET_ADVERTISING, | |
4192 | MGMT_STATUS_INVALID_PARAMS); | |
4193 | ||
4194 | hci_dev_lock(hdev); | |
4195 | ||
4196 | val = !!cp->val; | |
4197 | enabled = test_bit(HCI_ADVERTISING, &hdev->dev_flags); | |
4198 | ||
4199 | /* The following conditions are ones which mean that we should | |
4200 | * not do any HCI communication but directly send a mgmt | |
4201 | * response to user space (after toggling the flag if | |
4202 | * necessary). | |
4203 | */ | |
4204 | if (!hdev_is_powered(hdev) || val == enabled || | |
4205 | hci_conn_num(hdev, LE_LINK) > 0 || | |
4206 | (test_bit(HCI_LE_SCAN, &hdev->dev_flags) && | |
4207 | hdev->le_scan_type == LE_SCAN_ACTIVE)) { | |
4208 | bool changed = false; | |
4209 | ||
4210 | if (val != test_bit(HCI_ADVERTISING, &hdev->dev_flags)) { | |
4211 | change_bit(HCI_ADVERTISING, &hdev->dev_flags); | |
4212 | changed = true; | |
4213 | } | |
4214 | ||
4215 | err = send_settings_rsp(sk, MGMT_OP_SET_ADVERTISING, hdev); | |
4216 | if (err < 0) | |
4217 | goto unlock; | |
4218 | ||
4219 | if (changed) | |
4220 | err = new_settings(hdev, sk); | |
4221 | ||
4222 | goto unlock; | |
4223 | } | |
4224 | ||
4225 | if (mgmt_pending_find(MGMT_OP_SET_ADVERTISING, hdev) || | |
4226 | mgmt_pending_find(MGMT_OP_SET_LE, hdev)) { | |
4227 | err = cmd_status(sk, hdev->id, MGMT_OP_SET_ADVERTISING, | |
4228 | MGMT_STATUS_BUSY); | |
4229 | goto unlock; | |
4230 | } | |
4231 | ||
4232 | cmd = mgmt_pending_add(sk, MGMT_OP_SET_ADVERTISING, hdev, data, len); | |
4233 | if (!cmd) { | |
4234 | err = -ENOMEM; | |
4235 | goto unlock; | |
4236 | } | |
4237 | ||
4238 | hci_req_init(&req, hdev); | |
4239 | ||
4240 | if (val) | |
4241 | enable_advertising(&req); | |
4242 | else | |
4243 | disable_advertising(&req); | |
4244 | ||
4245 | err = hci_req_run(&req, set_advertising_complete); | |
4246 | if (err < 0) | |
4247 | mgmt_pending_remove(cmd); | |
4248 | ||
4249 | unlock: | |
4250 | hci_dev_unlock(hdev); | |
4251 | return err; | |
4252 | } | |
4253 | ||
4254 | static int set_static_address(struct sock *sk, struct hci_dev *hdev, | |
4255 | void *data, u16 len) | |
4256 | { | |
4257 | struct mgmt_cp_set_static_address *cp = data; | |
4258 | int err; | |
4259 | ||
4260 | BT_DBG("%s", hdev->name); | |
4261 | ||
4262 | if (!lmp_le_capable(hdev)) | |
4263 | return cmd_status(sk, hdev->id, MGMT_OP_SET_STATIC_ADDRESS, | |
4264 | MGMT_STATUS_NOT_SUPPORTED); | |
4265 | ||
4266 | if (hdev_is_powered(hdev)) | |
4267 | return cmd_status(sk, hdev->id, MGMT_OP_SET_STATIC_ADDRESS, | |
4268 | MGMT_STATUS_REJECTED); | |
4269 | ||
4270 | if (bacmp(&cp->bdaddr, BDADDR_ANY)) { | |
4271 | if (!bacmp(&cp->bdaddr, BDADDR_NONE)) | |
4272 | return cmd_status(sk, hdev->id, | |
4273 | MGMT_OP_SET_STATIC_ADDRESS, | |
4274 | MGMT_STATUS_INVALID_PARAMS); | |
4275 | ||
4276 | /* Two most significant bits shall be set */ | |
4277 | if ((cp->bdaddr.b[5] & 0xc0) != 0xc0) | |
4278 | return cmd_status(sk, hdev->id, | |
4279 | MGMT_OP_SET_STATIC_ADDRESS, | |
4280 | MGMT_STATUS_INVALID_PARAMS); | |
4281 | } | |
4282 | ||
4283 | hci_dev_lock(hdev); | |
4284 | ||
4285 | bacpy(&hdev->static_addr, &cp->bdaddr); | |
4286 | ||
4287 | err = cmd_complete(sk, hdev->id, MGMT_OP_SET_STATIC_ADDRESS, 0, NULL, 0); | |
4288 | ||
4289 | hci_dev_unlock(hdev); | |
4290 | ||
4291 | return err; | |
4292 | } | |
4293 | ||
4294 | static int set_scan_params(struct sock *sk, struct hci_dev *hdev, | |
4295 | void *data, u16 len) | |
4296 | { | |
4297 | struct mgmt_cp_set_scan_params *cp = data; | |
4298 | __u16 interval, window; | |
4299 | int err; | |
4300 | ||
4301 | BT_DBG("%s", hdev->name); | |
4302 | ||
4303 | if (!lmp_le_capable(hdev)) | |
4304 | return cmd_status(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS, | |
4305 | MGMT_STATUS_NOT_SUPPORTED); | |
4306 | ||
4307 | interval = __le16_to_cpu(cp->interval); | |
4308 | ||
4309 | if (interval < 0x0004 || interval > 0x4000) | |
4310 | return cmd_status(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS, | |
4311 | MGMT_STATUS_INVALID_PARAMS); | |
4312 | ||
4313 | window = __le16_to_cpu(cp->window); | |
4314 | ||
4315 | if (window < 0x0004 || window > 0x4000) | |
4316 | return cmd_status(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS, | |
4317 | MGMT_STATUS_INVALID_PARAMS); | |
4318 | ||
4319 | if (window > interval) | |
4320 | return cmd_status(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS, | |
4321 | MGMT_STATUS_INVALID_PARAMS); | |
4322 | ||
4323 | hci_dev_lock(hdev); | |
4324 | ||
4325 | hdev->le_scan_interval = interval; | |
4326 | hdev->le_scan_window = window; | |
4327 | ||
4328 | err = cmd_complete(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS, 0, NULL, 0); | |
4329 | ||
4330 | /* If background scan is running, restart it so new parameters are | |
4331 | * loaded. | |
4332 | */ | |
4333 | if (test_bit(HCI_LE_SCAN, &hdev->dev_flags) && | |
4334 | hdev->discovery.state == DISCOVERY_STOPPED) { | |
4335 | struct hci_request req; | |
4336 | ||
4337 | hci_req_init(&req, hdev); | |
4338 | ||
4339 | hci_req_add_le_scan_disable(&req); | |
4340 | hci_req_add_le_passive_scan(&req); | |
4341 | ||
4342 | hci_req_run(&req, NULL); | |
4343 | } | |
4344 | ||
4345 | hci_dev_unlock(hdev); | |
4346 | ||
4347 | return err; | |
4348 | } | |
4349 | ||
4350 | static void fast_connectable_complete(struct hci_dev *hdev, u8 status) | |
4351 | { | |
4352 | struct pending_cmd *cmd; | |
4353 | ||
4354 | BT_DBG("status 0x%02x", status); | |
4355 | ||
4356 | hci_dev_lock(hdev); | |
4357 | ||
4358 | cmd = mgmt_pending_find(MGMT_OP_SET_FAST_CONNECTABLE, hdev); | |
4359 | if (!cmd) | |
4360 | goto unlock; | |
4361 | ||
4362 | if (status) { | |
4363 | cmd_status(cmd->sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE, | |
4364 | mgmt_status(status)); | |
4365 | } else { | |
4366 | struct mgmt_mode *cp = cmd->param; | |
4367 | ||
4368 | if (cp->val) | |
4369 | set_bit(HCI_FAST_CONNECTABLE, &hdev->dev_flags); | |
4370 | else | |
4371 | clear_bit(HCI_FAST_CONNECTABLE, &hdev->dev_flags); | |
4372 | ||
4373 | send_settings_rsp(cmd->sk, MGMT_OP_SET_FAST_CONNECTABLE, hdev); | |
4374 | new_settings(hdev, cmd->sk); | |
4375 | } | |
4376 | ||
4377 | mgmt_pending_remove(cmd); | |
4378 | ||
4379 | unlock: | |
4380 | hci_dev_unlock(hdev); | |
4381 | } | |
4382 | ||
4383 | static int set_fast_connectable(struct sock *sk, struct hci_dev *hdev, | |
4384 | void *data, u16 len) | |
4385 | { | |
4386 | struct mgmt_mode *cp = data; | |
4387 | struct pending_cmd *cmd; | |
4388 | struct hci_request req; | |
4389 | int err; | |
4390 | ||
4391 | BT_DBG("%s", hdev->name); | |
4392 | ||
4393 | if (!test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags) || | |
4394 | hdev->hci_ver < BLUETOOTH_VER_1_2) | |
4395 | return cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE, | |
4396 | MGMT_STATUS_NOT_SUPPORTED); | |
4397 | ||
4398 | if (cp->val != 0x00 && cp->val != 0x01) | |
4399 | return cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE, | |
4400 | MGMT_STATUS_INVALID_PARAMS); | |
4401 | ||
4402 | if (!hdev_is_powered(hdev)) | |
4403 | return cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE, | |
4404 | MGMT_STATUS_NOT_POWERED); | |
4405 | ||
4406 | if (!test_bit(HCI_CONNECTABLE, &hdev->dev_flags)) | |
4407 | return cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE, | |
4408 | MGMT_STATUS_REJECTED); | |
4409 | ||
4410 | hci_dev_lock(hdev); | |
4411 | ||
4412 | if (mgmt_pending_find(MGMT_OP_SET_FAST_CONNECTABLE, hdev)) { | |
4413 | err = cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE, | |
4414 | MGMT_STATUS_BUSY); | |
4415 | goto unlock; | |
4416 | } | |
4417 | ||
4418 | if (!!cp->val == test_bit(HCI_FAST_CONNECTABLE, &hdev->dev_flags)) { | |
4419 | err = send_settings_rsp(sk, MGMT_OP_SET_FAST_CONNECTABLE, | |
4420 | hdev); | |
4421 | goto unlock; | |
4422 | } | |
4423 | ||
4424 | cmd = mgmt_pending_add(sk, MGMT_OP_SET_FAST_CONNECTABLE, hdev, | |
4425 | data, len); | |
4426 | if (!cmd) { | |
4427 | err = -ENOMEM; | |
4428 | goto unlock; | |
4429 | } | |
4430 | ||
4431 | hci_req_init(&req, hdev); | |
4432 | ||
4433 | write_fast_connectable(&req, cp->val); | |
4434 | ||
4435 | err = hci_req_run(&req, fast_connectable_complete); | |
4436 | if (err < 0) { | |
4437 | err = cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE, | |
4438 | MGMT_STATUS_FAILED); | |
4439 | mgmt_pending_remove(cmd); | |
4440 | } | |
4441 | ||
4442 | unlock: | |
4443 | hci_dev_unlock(hdev); | |
4444 | ||
4445 | return err; | |
4446 | } | |
4447 | ||
4448 | static void set_bredr_complete(struct hci_dev *hdev, u8 status) | |
4449 | { | |
4450 | struct pending_cmd *cmd; | |
4451 | ||
4452 | BT_DBG("status 0x%02x", status); | |
4453 | ||
4454 | hci_dev_lock(hdev); | |
4455 | ||
4456 | cmd = mgmt_pending_find(MGMT_OP_SET_BREDR, hdev); | |
4457 | if (!cmd) | |
4458 | goto unlock; | |
4459 | ||
4460 | if (status) { | |
4461 | u8 mgmt_err = mgmt_status(status); | |
4462 | ||
4463 | /* We need to restore the flag if related HCI commands | |
4464 | * failed. | |
4465 | */ | |
4466 | clear_bit(HCI_BREDR_ENABLED, &hdev->dev_flags); | |
4467 | ||
4468 | cmd_status(cmd->sk, cmd->index, cmd->opcode, mgmt_err); | |
4469 | } else { | |
4470 | send_settings_rsp(cmd->sk, MGMT_OP_SET_BREDR, hdev); | |
4471 | new_settings(hdev, cmd->sk); | |
4472 | } | |
4473 | ||
4474 | mgmt_pending_remove(cmd); | |
4475 | ||
4476 | unlock: | |
4477 | hci_dev_unlock(hdev); | |
4478 | } | |
4479 | ||
4480 | static int set_bredr(struct sock *sk, struct hci_dev *hdev, void *data, u16 len) | |
4481 | { | |
4482 | struct mgmt_mode *cp = data; | |
4483 | struct pending_cmd *cmd; | |
4484 | struct hci_request req; | |
4485 | int err; | |
4486 | ||
4487 | BT_DBG("request for %s", hdev->name); | |
4488 | ||
4489 | if (!lmp_bredr_capable(hdev) || !lmp_le_capable(hdev)) | |
4490 | return cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR, | |
4491 | MGMT_STATUS_NOT_SUPPORTED); | |
4492 | ||
4493 | if (!test_bit(HCI_LE_ENABLED, &hdev->dev_flags)) | |
4494 | return cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR, | |
4495 | MGMT_STATUS_REJECTED); | |
4496 | ||
4497 | if (cp->val != 0x00 && cp->val != 0x01) | |
4498 | return cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR, | |
4499 | MGMT_STATUS_INVALID_PARAMS); | |
4500 | ||
4501 | hci_dev_lock(hdev); | |
4502 | ||
4503 | if (cp->val == test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags)) { | |
4504 | err = send_settings_rsp(sk, MGMT_OP_SET_BREDR, hdev); | |
4505 | goto unlock; | |
4506 | } | |
4507 | ||
4508 | if (!hdev_is_powered(hdev)) { | |
4509 | if (!cp->val) { | |
4510 | clear_bit(HCI_DISCOVERABLE, &hdev->dev_flags); | |
4511 | clear_bit(HCI_SSP_ENABLED, &hdev->dev_flags); | |
4512 | clear_bit(HCI_LINK_SECURITY, &hdev->dev_flags); | |
4513 | clear_bit(HCI_FAST_CONNECTABLE, &hdev->dev_flags); | |
4514 | clear_bit(HCI_HS_ENABLED, &hdev->dev_flags); | |
4515 | } | |
4516 | ||
4517 | change_bit(HCI_BREDR_ENABLED, &hdev->dev_flags); | |
4518 | ||
4519 | err = send_settings_rsp(sk, MGMT_OP_SET_BREDR, hdev); | |
4520 | if (err < 0) | |
4521 | goto unlock; | |
4522 | ||
4523 | err = new_settings(hdev, sk); | |
4524 | goto unlock; | |
4525 | } | |
4526 | ||
4527 | /* Reject disabling when powered on */ | |
4528 | if (!cp->val) { | |
4529 | err = cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR, | |
4530 | MGMT_STATUS_REJECTED); | |
4531 | goto unlock; | |
4532 | } | |
4533 | ||
4534 | if (mgmt_pending_find(MGMT_OP_SET_BREDR, hdev)) { | |
4535 | err = cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR, | |
4536 | MGMT_STATUS_BUSY); | |
4537 | goto unlock; | |
4538 | } | |
4539 | ||
4540 | cmd = mgmt_pending_add(sk, MGMT_OP_SET_BREDR, hdev, data, len); | |
4541 | if (!cmd) { | |
4542 | err = -ENOMEM; | |
4543 | goto unlock; | |
4544 | } | |
4545 | ||
4546 | /* We need to flip the bit already here so that update_adv_data | |
4547 | * generates the correct flags. | |
4548 | */ | |
4549 | set_bit(HCI_BREDR_ENABLED, &hdev->dev_flags); | |
4550 | ||
4551 | hci_req_init(&req, hdev); | |
4552 | ||
4553 | write_fast_connectable(&req, false); | |
4554 | hci_update_page_scan(hdev, &req); | |
4555 | ||
4556 | /* Since only the advertising data flags will change, there | |
4557 | * is no need to update the scan response data. | |
4558 | */ | |
4559 | update_adv_data(&req); | |
4560 | ||
4561 | err = hci_req_run(&req, set_bredr_complete); | |
4562 | if (err < 0) | |
4563 | mgmt_pending_remove(cmd); | |
4564 | ||
4565 | unlock: | |
4566 | hci_dev_unlock(hdev); | |
4567 | return err; | |
4568 | } | |
4569 | ||
4570 | static int set_secure_conn(struct sock *sk, struct hci_dev *hdev, | |
4571 | void *data, u16 len) | |
4572 | { | |
4573 | struct mgmt_mode *cp = data; | |
4574 | struct pending_cmd *cmd; | |
4575 | u8 val, status; | |
4576 | int err; | |
4577 | ||
4578 | BT_DBG("request for %s", hdev->name); | |
4579 | ||
4580 | status = mgmt_bredr_support(hdev); | |
4581 | if (status) | |
4582 | return cmd_status(sk, hdev->id, MGMT_OP_SET_SECURE_CONN, | |
4583 | status); | |
4584 | ||
4585 | if (!lmp_sc_capable(hdev) && | |
4586 | !test_bit(HCI_FORCE_SC, &hdev->dbg_flags)) | |
4587 | return cmd_status(sk, hdev->id, MGMT_OP_SET_SECURE_CONN, | |
4588 | MGMT_STATUS_NOT_SUPPORTED); | |
4589 | ||
4590 | if (cp->val != 0x00 && cp->val != 0x01 && cp->val != 0x02) | |
4591 | return cmd_status(sk, hdev->id, MGMT_OP_SET_SECURE_CONN, | |
4592 | MGMT_STATUS_INVALID_PARAMS); | |
4593 | ||
4594 | hci_dev_lock(hdev); | |
4595 | ||
4596 | if (!hdev_is_powered(hdev)) { | |
4597 | bool changed; | |
4598 | ||
4599 | if (cp->val) { | |
4600 | changed = !test_and_set_bit(HCI_SC_ENABLED, | |
4601 | &hdev->dev_flags); | |
4602 | if (cp->val == 0x02) | |
4603 | set_bit(HCI_SC_ONLY, &hdev->dev_flags); | |
4604 | else | |
4605 | clear_bit(HCI_SC_ONLY, &hdev->dev_flags); | |
4606 | } else { | |
4607 | changed = test_and_clear_bit(HCI_SC_ENABLED, | |
4608 | &hdev->dev_flags); | |
4609 | clear_bit(HCI_SC_ONLY, &hdev->dev_flags); | |
4610 | } | |
4611 | ||
4612 | err = send_settings_rsp(sk, MGMT_OP_SET_SECURE_CONN, hdev); | |
4613 | if (err < 0) | |
4614 | goto failed; | |
4615 | ||
4616 | if (changed) | |
4617 | err = new_settings(hdev, sk); | |
4618 | ||
4619 | goto failed; | |
4620 | } | |
4621 | ||
4622 | if (mgmt_pending_find(MGMT_OP_SET_SECURE_CONN, hdev)) { | |
4623 | err = cmd_status(sk, hdev->id, MGMT_OP_SET_SECURE_CONN, | |
4624 | MGMT_STATUS_BUSY); | |
4625 | goto failed; | |
4626 | } | |
4627 | ||
4628 | val = !!cp->val; | |
4629 | ||
4630 | if (val == test_bit(HCI_SC_ENABLED, &hdev->dev_flags) && | |
4631 | (cp->val == 0x02) == test_bit(HCI_SC_ONLY, &hdev->dev_flags)) { | |
4632 | err = send_settings_rsp(sk, MGMT_OP_SET_SECURE_CONN, hdev); | |
4633 | goto failed; | |
4634 | } | |
4635 | ||
4636 | cmd = mgmt_pending_add(sk, MGMT_OP_SET_SECURE_CONN, hdev, data, len); | |
4637 | if (!cmd) { | |
4638 | err = -ENOMEM; | |
4639 | goto failed; | |
4640 | } | |
4641 | ||
4642 | err = hci_send_cmd(hdev, HCI_OP_WRITE_SC_SUPPORT, 1, &val); | |
4643 | if (err < 0) { | |
4644 | mgmt_pending_remove(cmd); | |
4645 | goto failed; | |
4646 | } | |
4647 | ||
4648 | if (cp->val == 0x02) | |
4649 | set_bit(HCI_SC_ONLY, &hdev->dev_flags); | |
4650 | else | |
4651 | clear_bit(HCI_SC_ONLY, &hdev->dev_flags); | |
4652 | ||
4653 | failed: | |
4654 | hci_dev_unlock(hdev); | |
4655 | return err; | |
4656 | } | |
4657 | ||
4658 | static int set_debug_keys(struct sock *sk, struct hci_dev *hdev, | |
4659 | void *data, u16 len) | |
4660 | { | |
4661 | struct mgmt_mode *cp = data; | |
4662 | bool changed, use_changed; | |
4663 | int err; | |
4664 | ||
4665 | BT_DBG("request for %s", hdev->name); | |
4666 | ||
4667 | if (cp->val != 0x00 && cp->val != 0x01 && cp->val != 0x02) | |
4668 | return cmd_status(sk, hdev->id, MGMT_OP_SET_DEBUG_KEYS, | |
4669 | MGMT_STATUS_INVALID_PARAMS); | |
4670 | ||
4671 | hci_dev_lock(hdev); | |
4672 | ||
4673 | if (cp->val) | |
4674 | changed = !test_and_set_bit(HCI_KEEP_DEBUG_KEYS, | |
4675 | &hdev->dev_flags); | |
4676 | else | |
4677 | changed = test_and_clear_bit(HCI_KEEP_DEBUG_KEYS, | |
4678 | &hdev->dev_flags); | |
4679 | ||
4680 | if (cp->val == 0x02) | |
4681 | use_changed = !test_and_set_bit(HCI_USE_DEBUG_KEYS, | |
4682 | &hdev->dev_flags); | |
4683 | else | |
4684 | use_changed = test_and_clear_bit(HCI_USE_DEBUG_KEYS, | |
4685 | &hdev->dev_flags); | |
4686 | ||
4687 | if (hdev_is_powered(hdev) && use_changed && | |
4688 | test_bit(HCI_SSP_ENABLED, &hdev->dev_flags)) { | |
4689 | u8 mode = (cp->val == 0x02) ? 0x01 : 0x00; | |
4690 | hci_send_cmd(hdev, HCI_OP_WRITE_SSP_DEBUG_MODE, | |
4691 | sizeof(mode), &mode); | |
4692 | } | |
4693 | ||
4694 | err = send_settings_rsp(sk, MGMT_OP_SET_DEBUG_KEYS, hdev); | |
4695 | if (err < 0) | |
4696 | goto unlock; | |
4697 | ||
4698 | if (changed) | |
4699 | err = new_settings(hdev, sk); | |
4700 | ||
4701 | unlock: | |
4702 | hci_dev_unlock(hdev); | |
4703 | return err; | |
4704 | } | |
4705 | ||
4706 | static int set_privacy(struct sock *sk, struct hci_dev *hdev, void *cp_data, | |
4707 | u16 len) | |
4708 | { | |
4709 | struct mgmt_cp_set_privacy *cp = cp_data; | |
4710 | bool changed; | |
4711 | int err; | |
4712 | ||
4713 | BT_DBG("request for %s", hdev->name); | |
4714 | ||
4715 | if (!lmp_le_capable(hdev)) | |
4716 | return cmd_status(sk, hdev->id, MGMT_OP_SET_PRIVACY, | |
4717 | MGMT_STATUS_NOT_SUPPORTED); | |
4718 | ||
4719 | if (cp->privacy != 0x00 && cp->privacy != 0x01) | |
4720 | return cmd_status(sk, hdev->id, MGMT_OP_SET_PRIVACY, | |
4721 | MGMT_STATUS_INVALID_PARAMS); | |
4722 | ||
4723 | if (hdev_is_powered(hdev)) | |
4724 | return cmd_status(sk, hdev->id, MGMT_OP_SET_PRIVACY, | |
4725 | MGMT_STATUS_REJECTED); | |
4726 | ||
4727 | hci_dev_lock(hdev); | |
4728 | ||
4729 | /* If user space supports this command it is also expected to | |
4730 | * handle IRKs. Therefore, set the HCI_RPA_RESOLVING flag. | |
4731 | */ | |
4732 | set_bit(HCI_RPA_RESOLVING, &hdev->dev_flags); | |
4733 | ||
4734 | if (cp->privacy) { | |
4735 | changed = !test_and_set_bit(HCI_PRIVACY, &hdev->dev_flags); | |
4736 | memcpy(hdev->irk, cp->irk, sizeof(hdev->irk)); | |
4737 | set_bit(HCI_RPA_EXPIRED, &hdev->dev_flags); | |
4738 | } else { | |
4739 | changed = test_and_clear_bit(HCI_PRIVACY, &hdev->dev_flags); | |
4740 | memset(hdev->irk, 0, sizeof(hdev->irk)); | |
4741 | clear_bit(HCI_RPA_EXPIRED, &hdev->dev_flags); | |
4742 | } | |
4743 | ||
4744 | err = send_settings_rsp(sk, MGMT_OP_SET_PRIVACY, hdev); | |
4745 | if (err < 0) | |
4746 | goto unlock; | |
4747 | ||
4748 | if (changed) | |
4749 | err = new_settings(hdev, sk); | |
4750 | ||
4751 | unlock: | |
4752 | hci_dev_unlock(hdev); | |
4753 | return err; | |
4754 | } | |
4755 | ||
4756 | static bool irk_is_valid(struct mgmt_irk_info *irk) | |
4757 | { | |
4758 | switch (irk->addr.type) { | |
4759 | case BDADDR_LE_PUBLIC: | |
4760 | return true; | |
4761 | ||
4762 | case BDADDR_LE_RANDOM: | |
4763 | /* Two most significant bits shall be set */ | |
4764 | if ((irk->addr.bdaddr.b[5] & 0xc0) != 0xc0) | |
4765 | return false; | |
4766 | return true; | |
4767 | } | |
4768 | ||
4769 | return false; | |
4770 | } | |
4771 | ||
4772 | static int load_irks(struct sock *sk, struct hci_dev *hdev, void *cp_data, | |
4773 | u16 len) | |
4774 | { | |
4775 | struct mgmt_cp_load_irks *cp = cp_data; | |
4776 | const u16 max_irk_count = ((U16_MAX - sizeof(*cp)) / | |
4777 | sizeof(struct mgmt_irk_info)); | |
4778 | u16 irk_count, expected_len; | |
4779 | int i, err; | |
4780 | ||
4781 | BT_DBG("request for %s", hdev->name); | |
4782 | ||
4783 | if (!lmp_le_capable(hdev)) | |
4784 | return cmd_status(sk, hdev->id, MGMT_OP_LOAD_IRKS, | |
4785 | MGMT_STATUS_NOT_SUPPORTED); | |
4786 | ||
4787 | irk_count = __le16_to_cpu(cp->irk_count); | |
4788 | if (irk_count > max_irk_count) { | |
4789 | BT_ERR("load_irks: too big irk_count value %u", irk_count); | |
4790 | return cmd_status(sk, hdev->id, MGMT_OP_LOAD_IRKS, | |
4791 | MGMT_STATUS_INVALID_PARAMS); | |
4792 | } | |
4793 | ||
4794 | expected_len = sizeof(*cp) + irk_count * sizeof(struct mgmt_irk_info); | |
4795 | if (expected_len != len) { | |
4796 | BT_ERR("load_irks: expected %u bytes, got %u bytes", | |
4797 | expected_len, len); | |
4798 | return cmd_status(sk, hdev->id, MGMT_OP_LOAD_IRKS, | |
4799 | MGMT_STATUS_INVALID_PARAMS); | |
4800 | } | |
4801 | ||
4802 | BT_DBG("%s irk_count %u", hdev->name, irk_count); | |
4803 | ||
4804 | for (i = 0; i < irk_count; i++) { | |
4805 | struct mgmt_irk_info *key = &cp->irks[i]; | |
4806 | ||
4807 | if (!irk_is_valid(key)) | |
4808 | return cmd_status(sk, hdev->id, | |
4809 | MGMT_OP_LOAD_IRKS, | |
4810 | MGMT_STATUS_INVALID_PARAMS); | |
4811 | } | |
4812 | ||
4813 | hci_dev_lock(hdev); | |
4814 | ||
4815 | hci_smp_irks_clear(hdev); | |
4816 | ||
4817 | for (i = 0; i < irk_count; i++) { | |
4818 | struct mgmt_irk_info *irk = &cp->irks[i]; | |
4819 | u8 addr_type; | |
4820 | ||
4821 | if (irk->addr.type == BDADDR_LE_PUBLIC) | |
4822 | addr_type = ADDR_LE_DEV_PUBLIC; | |
4823 | else | |
4824 | addr_type = ADDR_LE_DEV_RANDOM; | |
4825 | ||
4826 | hci_add_irk(hdev, &irk->addr.bdaddr, addr_type, irk->val, | |
4827 | BDADDR_ANY); | |
4828 | } | |
4829 | ||
4830 | set_bit(HCI_RPA_RESOLVING, &hdev->dev_flags); | |
4831 | ||
4832 | err = cmd_complete(sk, hdev->id, MGMT_OP_LOAD_IRKS, 0, NULL, 0); | |
4833 | ||
4834 | hci_dev_unlock(hdev); | |
4835 | ||
4836 | return err; | |
4837 | } | |
4838 | ||
4839 | static bool ltk_is_valid(struct mgmt_ltk_info *key) | |
4840 | { | |
4841 | if (key->master != 0x00 && key->master != 0x01) | |
4842 | return false; | |
4843 | ||
4844 | switch (key->addr.type) { | |
4845 | case BDADDR_LE_PUBLIC: | |
4846 | return true; | |
4847 | ||
4848 | case BDADDR_LE_RANDOM: | |
4849 | /* Two most significant bits shall be set */ | |
4850 | if ((key->addr.bdaddr.b[5] & 0xc0) != 0xc0) | |
4851 | return false; | |
4852 | return true; | |
4853 | } | |
4854 | ||
4855 | return false; | |
4856 | } | |
4857 | ||
4858 | static int load_long_term_keys(struct sock *sk, struct hci_dev *hdev, | |
4859 | void *cp_data, u16 len) | |
4860 | { | |
4861 | struct mgmt_cp_load_long_term_keys *cp = cp_data; | |
4862 | const u16 max_key_count = ((U16_MAX - sizeof(*cp)) / | |
4863 | sizeof(struct mgmt_ltk_info)); | |
4864 | u16 key_count, expected_len; | |
4865 | int i, err; | |
4866 | ||
4867 | BT_DBG("request for %s", hdev->name); | |
4868 | ||
4869 | if (!lmp_le_capable(hdev)) | |
4870 | return cmd_status(sk, hdev->id, MGMT_OP_LOAD_LONG_TERM_KEYS, | |
4871 | MGMT_STATUS_NOT_SUPPORTED); | |
4872 | ||
4873 | key_count = __le16_to_cpu(cp->key_count); | |
4874 | if (key_count > max_key_count) { | |
4875 | BT_ERR("load_ltks: too big key_count value %u", key_count); | |
4876 | return cmd_status(sk, hdev->id, MGMT_OP_LOAD_LONG_TERM_KEYS, | |
4877 | MGMT_STATUS_INVALID_PARAMS); | |
4878 | } | |
4879 | ||
4880 | expected_len = sizeof(*cp) + key_count * | |
4881 | sizeof(struct mgmt_ltk_info); | |
4882 | if (expected_len != len) { | |
4883 | BT_ERR("load_keys: expected %u bytes, got %u bytes", | |
4884 | expected_len, len); | |
4885 | return cmd_status(sk, hdev->id, MGMT_OP_LOAD_LONG_TERM_KEYS, | |
4886 | MGMT_STATUS_INVALID_PARAMS); | |
4887 | } | |
4888 | ||
4889 | BT_DBG("%s key_count %u", hdev->name, key_count); | |
4890 | ||
4891 | for (i = 0; i < key_count; i++) { | |
4892 | struct mgmt_ltk_info *key = &cp->keys[i]; | |
4893 | ||
4894 | if (!ltk_is_valid(key)) | |
4895 | return cmd_status(sk, hdev->id, | |
4896 | MGMT_OP_LOAD_LONG_TERM_KEYS, | |
4897 | MGMT_STATUS_INVALID_PARAMS); | |
4898 | } | |
4899 | ||
4900 | hci_dev_lock(hdev); | |
4901 | ||
4902 | hci_smp_ltks_clear(hdev); | |
4903 | ||
4904 | for (i = 0; i < key_count; i++) { | |
4905 | struct mgmt_ltk_info *key = &cp->keys[i]; | |
4906 | u8 type, addr_type, authenticated; | |
4907 | ||
4908 | if (key->addr.type == BDADDR_LE_PUBLIC) | |
4909 | addr_type = ADDR_LE_DEV_PUBLIC; | |
4910 | else | |
4911 | addr_type = ADDR_LE_DEV_RANDOM; | |
4912 | ||
4913 | if (key->master) | |
4914 | type = SMP_LTK; | |
4915 | else | |
4916 | type = SMP_LTK_SLAVE; | |
4917 | ||
4918 | switch (key->type) { | |
4919 | case MGMT_LTK_UNAUTHENTICATED: | |
4920 | authenticated = 0x00; | |
4921 | break; | |
4922 | case MGMT_LTK_AUTHENTICATED: | |
4923 | authenticated = 0x01; | |
4924 | break; | |
4925 | default: | |
4926 | continue; | |
4927 | } | |
4928 | ||
4929 | hci_add_ltk(hdev, &key->addr.bdaddr, addr_type, type, | |
4930 | authenticated, key->val, key->enc_size, key->ediv, | |
4931 | key->rand); | |
4932 | } | |
4933 | ||
4934 | err = cmd_complete(sk, hdev->id, MGMT_OP_LOAD_LONG_TERM_KEYS, 0, | |
4935 | NULL, 0); | |
4936 | ||
4937 | hci_dev_unlock(hdev); | |
4938 | ||
4939 | return err; | |
4940 | } | |
4941 | ||
4942 | struct cmd_conn_lookup { | |
4943 | struct hci_conn *conn; | |
4944 | bool valid_tx_power; | |
4945 | u8 mgmt_status; | |
4946 | }; | |
4947 | ||
4948 | static void get_conn_info_complete(struct pending_cmd *cmd, void *data) | |
4949 | { | |
4950 | struct cmd_conn_lookup *match = data; | |
4951 | struct mgmt_cp_get_conn_info *cp; | |
4952 | struct mgmt_rp_get_conn_info rp; | |
4953 | struct hci_conn *conn = cmd->user_data; | |
4954 | ||
4955 | if (conn != match->conn) | |
4956 | return; | |
4957 | ||
4958 | cp = (struct mgmt_cp_get_conn_info *) cmd->param; | |
4959 | ||
4960 | memset(&rp, 0, sizeof(rp)); | |
4961 | bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr); | |
4962 | rp.addr.type = cp->addr.type; | |
4963 | ||
4964 | if (!match->mgmt_status) { | |
4965 | rp.rssi = conn->rssi; | |
4966 | ||
4967 | if (match->valid_tx_power) { | |
4968 | rp.tx_power = conn->tx_power; | |
4969 | rp.max_tx_power = conn->max_tx_power; | |
4970 | } else { | |
4971 | rp.tx_power = HCI_TX_POWER_INVALID; | |
4972 | rp.max_tx_power = HCI_TX_POWER_INVALID; | |
4973 | } | |
4974 | } | |
4975 | ||
4976 | cmd_complete(cmd->sk, cmd->index, MGMT_OP_GET_CONN_INFO, | |
4977 | match->mgmt_status, &rp, sizeof(rp)); | |
4978 | ||
4979 | hci_conn_drop(conn); | |
4980 | hci_conn_put(conn); | |
4981 | ||
4982 | mgmt_pending_remove(cmd); | |
4983 | } | |
4984 | ||
4985 | static void conn_info_refresh_complete(struct hci_dev *hdev, u8 status) | |
4986 | { | |
4987 | struct hci_cp_read_rssi *cp; | |
4988 | struct hci_conn *conn; | |
4989 | struct cmd_conn_lookup match; | |
4990 | u16 handle; | |
4991 | ||
4992 | BT_DBG("status 0x%02x", status); | |
4993 | ||
4994 | hci_dev_lock(hdev); | |
4995 | ||
4996 | /* TX power data is valid in case request completed successfully, | |
4997 | * otherwise we assume it's not valid. At the moment we assume that | |
4998 | * either both or none of current and max values are valid to keep code | |
4999 | * simple. | |
5000 | */ | |
5001 | match.valid_tx_power = !status; | |
5002 | ||
5003 | /* Commands sent in request are either Read RSSI or Read Transmit Power | |
5004 | * Level so we check which one was last sent to retrieve connection | |
5005 | * handle. Both commands have handle as first parameter so it's safe to | |
5006 | * cast data on the same command struct. | |
5007 | * | |
5008 | * First command sent is always Read RSSI and we fail only if it fails. | |
5009 | * In other case we simply override error to indicate success as we | |
5010 | * already remembered if TX power value is actually valid. | |
5011 | */ | |
5012 | cp = hci_sent_cmd_data(hdev, HCI_OP_READ_RSSI); | |
5013 | if (!cp) { | |
5014 | cp = hci_sent_cmd_data(hdev, HCI_OP_READ_TX_POWER); | |
5015 | status = 0; | |
5016 | } | |
5017 | ||
5018 | if (!cp) { | |
5019 | BT_ERR("invalid sent_cmd in response"); | |
5020 | goto unlock; | |
5021 | } | |
5022 | ||
5023 | handle = __le16_to_cpu(cp->handle); | |
5024 | conn = hci_conn_hash_lookup_handle(hdev, handle); | |
5025 | if (!conn) { | |
5026 | BT_ERR("unknown handle (%d) in response", handle); | |
5027 | goto unlock; | |
5028 | } | |
5029 | ||
5030 | match.conn = conn; | |
5031 | match.mgmt_status = mgmt_status(status); | |
5032 | ||
5033 | /* Cache refresh is complete, now reply for mgmt request for given | |
5034 | * connection only. | |
5035 | */ | |
5036 | mgmt_pending_foreach(MGMT_OP_GET_CONN_INFO, hdev, | |
5037 | get_conn_info_complete, &match); | |
5038 | ||
5039 | unlock: | |
5040 | hci_dev_unlock(hdev); | |
5041 | } | |
5042 | ||
5043 | static int get_conn_info(struct sock *sk, struct hci_dev *hdev, void *data, | |
5044 | u16 len) | |
5045 | { | |
5046 | struct mgmt_cp_get_conn_info *cp = data; | |
5047 | struct mgmt_rp_get_conn_info rp; | |
5048 | struct hci_conn *conn; | |
5049 | unsigned long conn_info_age; | |
5050 | int err = 0; | |
5051 | ||
5052 | BT_DBG("%s", hdev->name); | |
5053 | ||
5054 | memset(&rp, 0, sizeof(rp)); | |
5055 | bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr); | |
5056 | rp.addr.type = cp->addr.type; | |
5057 | ||
5058 | if (!bdaddr_type_is_valid(cp->addr.type)) | |
5059 | return cmd_complete(sk, hdev->id, MGMT_OP_GET_CONN_INFO, | |
5060 | MGMT_STATUS_INVALID_PARAMS, | |
5061 | &rp, sizeof(rp)); | |
5062 | ||
5063 | hci_dev_lock(hdev); | |
5064 | ||
5065 | if (!hdev_is_powered(hdev)) { | |
5066 | err = cmd_complete(sk, hdev->id, MGMT_OP_GET_CONN_INFO, | |
5067 | MGMT_STATUS_NOT_POWERED, &rp, sizeof(rp)); | |
5068 | goto unlock; | |
5069 | } | |
5070 | ||
5071 | if (cp->addr.type == BDADDR_BREDR) | |
5072 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, | |
5073 | &cp->addr.bdaddr); | |
5074 | else | |
5075 | conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, &cp->addr.bdaddr); | |
5076 | ||
5077 | if (!conn || conn->state != BT_CONNECTED) { | |
5078 | err = cmd_complete(sk, hdev->id, MGMT_OP_GET_CONN_INFO, | |
5079 | MGMT_STATUS_NOT_CONNECTED, &rp, sizeof(rp)); | |
5080 | goto unlock; | |
5081 | } | |
5082 | ||
5083 | /* To avoid client trying to guess when to poll again for information we | |
5084 | * calculate conn info age as random value between min/max set in hdev. | |
5085 | */ | |
5086 | conn_info_age = hdev->conn_info_min_age + | |
5087 | prandom_u32_max(hdev->conn_info_max_age - | |
5088 | hdev->conn_info_min_age); | |
5089 | ||
5090 | /* Query controller to refresh cached values if they are too old or were | |
5091 | * never read. | |
5092 | */ | |
5093 | if (time_after(jiffies, conn->conn_info_timestamp + | |
5094 | msecs_to_jiffies(conn_info_age)) || | |
5095 | !conn->conn_info_timestamp) { | |
5096 | struct hci_request req; | |
5097 | struct hci_cp_read_tx_power req_txp_cp; | |
5098 | struct hci_cp_read_rssi req_rssi_cp; | |
5099 | struct pending_cmd *cmd; | |
5100 | ||
5101 | hci_req_init(&req, hdev); | |
5102 | req_rssi_cp.handle = cpu_to_le16(conn->handle); | |
5103 | hci_req_add(&req, HCI_OP_READ_RSSI, sizeof(req_rssi_cp), | |
5104 | &req_rssi_cp); | |
5105 | ||
5106 | /* For LE links TX power does not change thus we don't need to | |
5107 | * query for it once value is known. | |
5108 | */ | |
5109 | if (!bdaddr_type_is_le(cp->addr.type) || | |
5110 | conn->tx_power == HCI_TX_POWER_INVALID) { | |
5111 | req_txp_cp.handle = cpu_to_le16(conn->handle); | |
5112 | req_txp_cp.type = 0x00; | |
5113 | hci_req_add(&req, HCI_OP_READ_TX_POWER, | |
5114 | sizeof(req_txp_cp), &req_txp_cp); | |
5115 | } | |
5116 | ||
5117 | /* Max TX power needs to be read only once per connection */ | |
5118 | if (conn->max_tx_power == HCI_TX_POWER_INVALID) { | |
5119 | req_txp_cp.handle = cpu_to_le16(conn->handle); | |
5120 | req_txp_cp.type = 0x01; | |
5121 | hci_req_add(&req, HCI_OP_READ_TX_POWER, | |
5122 | sizeof(req_txp_cp), &req_txp_cp); | |
5123 | } | |
5124 | ||
5125 | err = hci_req_run(&req, conn_info_refresh_complete); | |
5126 | if (err < 0) | |
5127 | goto unlock; | |
5128 | ||
5129 | cmd = mgmt_pending_add(sk, MGMT_OP_GET_CONN_INFO, hdev, | |
5130 | data, len); | |
5131 | if (!cmd) { | |
5132 | err = -ENOMEM; | |
5133 | goto unlock; | |
5134 | } | |
5135 | ||
5136 | hci_conn_hold(conn); | |
5137 | cmd->user_data = hci_conn_get(conn); | |
5138 | ||
5139 | conn->conn_info_timestamp = jiffies; | |
5140 | } else { | |
5141 | /* Cache is valid, just reply with values cached in hci_conn */ | |
5142 | rp.rssi = conn->rssi; | |
5143 | rp.tx_power = conn->tx_power; | |
5144 | rp.max_tx_power = conn->max_tx_power; | |
5145 | ||
5146 | err = cmd_complete(sk, hdev->id, MGMT_OP_GET_CONN_INFO, | |
5147 | MGMT_STATUS_SUCCESS, &rp, sizeof(rp)); | |
5148 | } | |
5149 | ||
5150 | unlock: | |
5151 | hci_dev_unlock(hdev); | |
5152 | return err; | |
5153 | } | |
5154 | ||
5155 | static void get_clock_info_complete(struct hci_dev *hdev, u8 status) | |
5156 | { | |
5157 | struct mgmt_cp_get_clock_info *cp; | |
5158 | struct mgmt_rp_get_clock_info rp; | |
5159 | struct hci_cp_read_clock *hci_cp; | |
5160 | struct pending_cmd *cmd; | |
5161 | struct hci_conn *conn; | |
5162 | ||
5163 | BT_DBG("%s status %u", hdev->name, status); | |
5164 | ||
5165 | hci_dev_lock(hdev); | |
5166 | ||
5167 | hci_cp = hci_sent_cmd_data(hdev, HCI_OP_READ_CLOCK); | |
5168 | if (!hci_cp) | |
5169 | goto unlock; | |
5170 | ||
5171 | if (hci_cp->which) { | |
5172 | u16 handle = __le16_to_cpu(hci_cp->handle); | |
5173 | conn = hci_conn_hash_lookup_handle(hdev, handle); | |
5174 | } else { | |
5175 | conn = NULL; | |
5176 | } | |
5177 | ||
5178 | cmd = mgmt_pending_find_data(MGMT_OP_GET_CLOCK_INFO, hdev, conn); | |
5179 | if (!cmd) | |
5180 | goto unlock; | |
5181 | ||
5182 | cp = cmd->param; | |
5183 | ||
5184 | memset(&rp, 0, sizeof(rp)); | |
5185 | memcpy(&rp.addr, &cp->addr, sizeof(rp.addr)); | |
5186 | ||
5187 | if (status) | |
5188 | goto send_rsp; | |
5189 | ||
5190 | rp.local_clock = cpu_to_le32(hdev->clock); | |
5191 | ||
5192 | if (conn) { | |
5193 | rp.piconet_clock = cpu_to_le32(conn->clock); | |
5194 | rp.accuracy = cpu_to_le16(conn->clock_accuracy); | |
5195 | } | |
5196 | ||
5197 | send_rsp: | |
5198 | cmd_complete(cmd->sk, cmd->index, cmd->opcode, mgmt_status(status), | |
5199 | &rp, sizeof(rp)); | |
5200 | mgmt_pending_remove(cmd); | |
5201 | if (conn) { | |
5202 | hci_conn_drop(conn); | |
5203 | hci_conn_put(conn); | |
5204 | } | |
5205 | ||
5206 | unlock: | |
5207 | hci_dev_unlock(hdev); | |
5208 | } | |
5209 | ||
5210 | static int get_clock_info(struct sock *sk, struct hci_dev *hdev, void *data, | |
5211 | u16 len) | |
5212 | { | |
5213 | struct mgmt_cp_get_clock_info *cp = data; | |
5214 | struct mgmt_rp_get_clock_info rp; | |
5215 | struct hci_cp_read_clock hci_cp; | |
5216 | struct pending_cmd *cmd; | |
5217 | struct hci_request req; | |
5218 | struct hci_conn *conn; | |
5219 | int err; | |
5220 | ||
5221 | BT_DBG("%s", hdev->name); | |
5222 | ||
5223 | memset(&rp, 0, sizeof(rp)); | |
5224 | bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr); | |
5225 | rp.addr.type = cp->addr.type; | |
5226 | ||
5227 | if (cp->addr.type != BDADDR_BREDR) | |
5228 | return cmd_complete(sk, hdev->id, MGMT_OP_GET_CLOCK_INFO, | |
5229 | MGMT_STATUS_INVALID_PARAMS, | |
5230 | &rp, sizeof(rp)); | |
5231 | ||
5232 | hci_dev_lock(hdev); | |
5233 | ||
5234 | if (!hdev_is_powered(hdev)) { | |
5235 | err = cmd_complete(sk, hdev->id, MGMT_OP_GET_CLOCK_INFO, | |
5236 | MGMT_STATUS_NOT_POWERED, &rp, sizeof(rp)); | |
5237 | goto unlock; | |
5238 | } | |
5239 | ||
5240 | if (bacmp(&cp->addr.bdaddr, BDADDR_ANY)) { | |
5241 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, | |
5242 | &cp->addr.bdaddr); | |
5243 | if (!conn || conn->state != BT_CONNECTED) { | |
5244 | err = cmd_complete(sk, hdev->id, | |
5245 | MGMT_OP_GET_CLOCK_INFO, | |
5246 | MGMT_STATUS_NOT_CONNECTED, | |
5247 | &rp, sizeof(rp)); | |
5248 | goto unlock; | |
5249 | } | |
5250 | } else { | |
5251 | conn = NULL; | |
5252 | } | |
5253 | ||
5254 | cmd = mgmt_pending_add(sk, MGMT_OP_GET_CLOCK_INFO, hdev, data, len); | |
5255 | if (!cmd) { | |
5256 | err = -ENOMEM; | |
5257 | goto unlock; | |
5258 | } | |
5259 | ||
5260 | hci_req_init(&req, hdev); | |
5261 | ||
5262 | memset(&hci_cp, 0, sizeof(hci_cp)); | |
5263 | hci_req_add(&req, HCI_OP_READ_CLOCK, sizeof(hci_cp), &hci_cp); | |
5264 | ||
5265 | if (conn) { | |
5266 | hci_conn_hold(conn); | |
5267 | cmd->user_data = hci_conn_get(conn); | |
5268 | ||
5269 | hci_cp.handle = cpu_to_le16(conn->handle); | |
5270 | hci_cp.which = 0x01; /* Piconet clock */ | |
5271 | hci_req_add(&req, HCI_OP_READ_CLOCK, sizeof(hci_cp), &hci_cp); | |
5272 | } | |
5273 | ||
5274 | err = hci_req_run(&req, get_clock_info_complete); | |
5275 | if (err < 0) | |
5276 | mgmt_pending_remove(cmd); | |
5277 | ||
5278 | unlock: | |
5279 | hci_dev_unlock(hdev); | |
5280 | return err; | |
5281 | } | |
5282 | ||
5283 | static void device_added(struct sock *sk, struct hci_dev *hdev, | |
5284 | bdaddr_t *bdaddr, u8 type, u8 action) | |
5285 | { | |
5286 | struct mgmt_ev_device_added ev; | |
5287 | ||
5288 | bacpy(&ev.addr.bdaddr, bdaddr); | |
5289 | ev.addr.type = type; | |
5290 | ev.action = action; | |
5291 | ||
5292 | mgmt_event(MGMT_EV_DEVICE_ADDED, hdev, &ev, sizeof(ev), sk); | |
5293 | } | |
5294 | ||
5295 | static int add_device(struct sock *sk, struct hci_dev *hdev, | |
5296 | void *data, u16 len) | |
5297 | { | |
5298 | struct mgmt_cp_add_device *cp = data; | |
5299 | u8 auto_conn, addr_type; | |
5300 | int err; | |
5301 | ||
5302 | BT_DBG("%s", hdev->name); | |
5303 | ||
5304 | if (!bdaddr_type_is_valid(cp->addr.type) || | |
5305 | !bacmp(&cp->addr.bdaddr, BDADDR_ANY)) | |
5306 | return cmd_complete(sk, hdev->id, MGMT_OP_ADD_DEVICE, | |
5307 | MGMT_STATUS_INVALID_PARAMS, | |
5308 | &cp->addr, sizeof(cp->addr)); | |
5309 | ||
5310 | if (cp->action != 0x00 && cp->action != 0x01 && cp->action != 0x02) | |
5311 | return cmd_complete(sk, hdev->id, MGMT_OP_ADD_DEVICE, | |
5312 | MGMT_STATUS_INVALID_PARAMS, | |
5313 | &cp->addr, sizeof(cp->addr)); | |
5314 | ||
5315 | hci_dev_lock(hdev); | |
5316 | ||
5317 | if (cp->addr.type == BDADDR_BREDR) { | |
5318 | /* Only incoming connections action is supported for now */ | |
5319 | if (cp->action != 0x01) { | |
5320 | err = cmd_complete(sk, hdev->id, MGMT_OP_ADD_DEVICE, | |
5321 | MGMT_STATUS_INVALID_PARAMS, | |
5322 | &cp->addr, sizeof(cp->addr)); | |
5323 | goto unlock; | |
5324 | } | |
5325 | ||
5326 | err = hci_bdaddr_list_add(&hdev->whitelist, &cp->addr.bdaddr, | |
5327 | cp->addr.type); | |
5328 | if (err) | |
5329 | goto unlock; | |
5330 | ||
5331 | hci_update_page_scan(hdev, NULL); | |
5332 | ||
5333 | goto added; | |
5334 | } | |
5335 | ||
5336 | if (cp->addr.type == BDADDR_LE_PUBLIC) | |
5337 | addr_type = ADDR_LE_DEV_PUBLIC; | |
5338 | else | |
5339 | addr_type = ADDR_LE_DEV_RANDOM; | |
5340 | ||
5341 | if (cp->action == 0x02) | |
5342 | auto_conn = HCI_AUTO_CONN_ALWAYS; | |
5343 | else if (cp->action == 0x01) | |
5344 | auto_conn = HCI_AUTO_CONN_DIRECT; | |
5345 | else | |
5346 | auto_conn = HCI_AUTO_CONN_REPORT; | |
5347 | ||
5348 | /* If the connection parameters don't exist for this device, | |
5349 | * they will be created and configured with defaults. | |
5350 | */ | |
5351 | if (hci_conn_params_set(hdev, &cp->addr.bdaddr, addr_type, | |
5352 | auto_conn) < 0) { | |
5353 | err = cmd_complete(sk, hdev->id, MGMT_OP_ADD_DEVICE, | |
5354 | MGMT_STATUS_FAILED, | |
5355 | &cp->addr, sizeof(cp->addr)); | |
5356 | goto unlock; | |
5357 | } | |
5358 | ||
5359 | added: | |
5360 | device_added(sk, hdev, &cp->addr.bdaddr, cp->addr.type, cp->action); | |
5361 | ||
5362 | err = cmd_complete(sk, hdev->id, MGMT_OP_ADD_DEVICE, | |
5363 | MGMT_STATUS_SUCCESS, &cp->addr, sizeof(cp->addr)); | |
5364 | ||
5365 | unlock: | |
5366 | hci_dev_unlock(hdev); | |
5367 | return err; | |
5368 | } | |
5369 | ||
5370 | static void device_removed(struct sock *sk, struct hci_dev *hdev, | |
5371 | bdaddr_t *bdaddr, u8 type) | |
5372 | { | |
5373 | struct mgmt_ev_device_removed ev; | |
5374 | ||
5375 | bacpy(&ev.addr.bdaddr, bdaddr); | |
5376 | ev.addr.type = type; | |
5377 | ||
5378 | mgmt_event(MGMT_EV_DEVICE_REMOVED, hdev, &ev, sizeof(ev), sk); | |
5379 | } | |
5380 | ||
5381 | static int remove_device(struct sock *sk, struct hci_dev *hdev, | |
5382 | void *data, u16 len) | |
5383 | { | |
5384 | struct mgmt_cp_remove_device *cp = data; | |
5385 | int err; | |
5386 | ||
5387 | BT_DBG("%s", hdev->name); | |
5388 | ||
5389 | hci_dev_lock(hdev); | |
5390 | ||
5391 | if (bacmp(&cp->addr.bdaddr, BDADDR_ANY)) { | |
5392 | struct hci_conn_params *params; | |
5393 | u8 addr_type; | |
5394 | ||
5395 | if (!bdaddr_type_is_valid(cp->addr.type)) { | |
5396 | err = cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_DEVICE, | |
5397 | MGMT_STATUS_INVALID_PARAMS, | |
5398 | &cp->addr, sizeof(cp->addr)); | |
5399 | goto unlock; | |
5400 | } | |
5401 | ||
5402 | if (cp->addr.type == BDADDR_BREDR) { | |
5403 | err = hci_bdaddr_list_del(&hdev->whitelist, | |
5404 | &cp->addr.bdaddr, | |
5405 | cp->addr.type); | |
5406 | if (err) { | |
5407 | err = cmd_complete(sk, hdev->id, | |
5408 | MGMT_OP_REMOVE_DEVICE, | |
5409 | MGMT_STATUS_INVALID_PARAMS, | |
5410 | &cp->addr, sizeof(cp->addr)); | |
5411 | goto unlock; | |
5412 | } | |
5413 | ||
5414 | hci_update_page_scan(hdev, NULL); | |
5415 | ||
5416 | device_removed(sk, hdev, &cp->addr.bdaddr, | |
5417 | cp->addr.type); | |
5418 | goto complete; | |
5419 | } | |
5420 | ||
5421 | if (cp->addr.type == BDADDR_LE_PUBLIC) | |
5422 | addr_type = ADDR_LE_DEV_PUBLIC; | |
5423 | else | |
5424 | addr_type = ADDR_LE_DEV_RANDOM; | |
5425 | ||
5426 | params = hci_conn_params_lookup(hdev, &cp->addr.bdaddr, | |
5427 | addr_type); | |
5428 | if (!params) { | |
5429 | err = cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_DEVICE, | |
5430 | MGMT_STATUS_INVALID_PARAMS, | |
5431 | &cp->addr, sizeof(cp->addr)); | |
5432 | goto unlock; | |
5433 | } | |
5434 | ||
5435 | if (params->auto_connect == HCI_AUTO_CONN_DISABLED) { | |
5436 | err = cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_DEVICE, | |
5437 | MGMT_STATUS_INVALID_PARAMS, | |
5438 | &cp->addr, sizeof(cp->addr)); | |
5439 | goto unlock; | |
5440 | } | |
5441 | ||
5442 | list_del(¶ms->action); | |
5443 | list_del(¶ms->list); | |
5444 | kfree(params); | |
5445 | hci_update_background_scan(hdev); | |
5446 | ||
5447 | device_removed(sk, hdev, &cp->addr.bdaddr, cp->addr.type); | |
5448 | } else { | |
5449 | struct hci_conn_params *p, *tmp; | |
5450 | struct bdaddr_list *b, *btmp; | |
5451 | ||
5452 | if (cp->addr.type) { | |
5453 | err = cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_DEVICE, | |
5454 | MGMT_STATUS_INVALID_PARAMS, | |
5455 | &cp->addr, sizeof(cp->addr)); | |
5456 | goto unlock; | |
5457 | } | |
5458 | ||
5459 | list_for_each_entry_safe(b, btmp, &hdev->whitelist, list) { | |
5460 | device_removed(sk, hdev, &b->bdaddr, b->bdaddr_type); | |
5461 | list_del(&b->list); | |
5462 | kfree(b); | |
5463 | } | |
5464 | ||
5465 | hci_update_page_scan(hdev, NULL); | |
5466 | ||
5467 | list_for_each_entry_safe(p, tmp, &hdev->le_conn_params, list) { | |
5468 | if (p->auto_connect == HCI_AUTO_CONN_DISABLED) | |
5469 | continue; | |
5470 | device_removed(sk, hdev, &p->addr, p->addr_type); | |
5471 | list_del(&p->action); | |
5472 | list_del(&p->list); | |
5473 | kfree(p); | |
5474 | } | |
5475 | ||
5476 | BT_DBG("All LE connection parameters were removed"); | |
5477 | ||
5478 | hci_update_background_scan(hdev); | |
5479 | } | |
5480 | ||
5481 | complete: | |
5482 | err = cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_DEVICE, | |
5483 | MGMT_STATUS_SUCCESS, &cp->addr, sizeof(cp->addr)); | |
5484 | ||
5485 | unlock: | |
5486 | hci_dev_unlock(hdev); | |
5487 | return err; | |
5488 | } | |
5489 | ||
5490 | static int load_conn_param(struct sock *sk, struct hci_dev *hdev, void *data, | |
5491 | u16 len) | |
5492 | { | |
5493 | struct mgmt_cp_load_conn_param *cp = data; | |
5494 | const u16 max_param_count = ((U16_MAX - sizeof(*cp)) / | |
5495 | sizeof(struct mgmt_conn_param)); | |
5496 | u16 param_count, expected_len; | |
5497 | int i; | |
5498 | ||
5499 | if (!lmp_le_capable(hdev)) | |
5500 | return cmd_status(sk, hdev->id, MGMT_OP_LOAD_CONN_PARAM, | |
5501 | MGMT_STATUS_NOT_SUPPORTED); | |
5502 | ||
5503 | param_count = __le16_to_cpu(cp->param_count); | |
5504 | if (param_count > max_param_count) { | |
5505 | BT_ERR("load_conn_param: too big param_count value %u", | |
5506 | param_count); | |
5507 | return cmd_status(sk, hdev->id, MGMT_OP_LOAD_CONN_PARAM, | |
5508 | MGMT_STATUS_INVALID_PARAMS); | |
5509 | } | |
5510 | ||
5511 | expected_len = sizeof(*cp) + param_count * | |
5512 | sizeof(struct mgmt_conn_param); | |
5513 | if (expected_len != len) { | |
5514 | BT_ERR("load_conn_param: expected %u bytes, got %u bytes", | |
5515 | expected_len, len); | |
5516 | return cmd_status(sk, hdev->id, MGMT_OP_LOAD_CONN_PARAM, | |
5517 | MGMT_STATUS_INVALID_PARAMS); | |
5518 | } | |
5519 | ||
5520 | BT_DBG("%s param_count %u", hdev->name, param_count); | |
5521 | ||
5522 | hci_dev_lock(hdev); | |
5523 | ||
5524 | hci_conn_params_clear_disabled(hdev); | |
5525 | ||
5526 | for (i = 0; i < param_count; i++) { | |
5527 | struct mgmt_conn_param *param = &cp->params[i]; | |
5528 | struct hci_conn_params *hci_param; | |
5529 | u16 min, max, latency, timeout; | |
5530 | u8 addr_type; | |
5531 | ||
5532 | BT_DBG("Adding %pMR (type %u)", ¶m->addr.bdaddr, | |
5533 | param->addr.type); | |
5534 | ||
5535 | if (param->addr.type == BDADDR_LE_PUBLIC) { | |
5536 | addr_type = ADDR_LE_DEV_PUBLIC; | |
5537 | } else if (param->addr.type == BDADDR_LE_RANDOM) { | |
5538 | addr_type = ADDR_LE_DEV_RANDOM; | |
5539 | } else { | |
5540 | BT_ERR("Ignoring invalid connection parameters"); | |
5541 | continue; | |
5542 | } | |
5543 | ||
5544 | min = le16_to_cpu(param->min_interval); | |
5545 | max = le16_to_cpu(param->max_interval); | |
5546 | latency = le16_to_cpu(param->latency); | |
5547 | timeout = le16_to_cpu(param->timeout); | |
5548 | ||
5549 | BT_DBG("min 0x%04x max 0x%04x latency 0x%04x timeout 0x%04x", | |
5550 | min, max, latency, timeout); | |
5551 | ||
5552 | if (hci_check_conn_params(min, max, latency, timeout) < 0) { | |
5553 | BT_ERR("Ignoring invalid connection parameters"); | |
5554 | continue; | |
5555 | } | |
5556 | ||
5557 | hci_param = hci_conn_params_add(hdev, ¶m->addr.bdaddr, | |
5558 | addr_type); | |
5559 | if (!hci_param) { | |
5560 | BT_ERR("Failed to add connection parameters"); | |
5561 | continue; | |
5562 | } | |
5563 | ||
5564 | hci_param->conn_min_interval = min; | |
5565 | hci_param->conn_max_interval = max; | |
5566 | hci_param->conn_latency = latency; | |
5567 | hci_param->supervision_timeout = timeout; | |
5568 | } | |
5569 | ||
5570 | hci_dev_unlock(hdev); | |
5571 | ||
5572 | return cmd_complete(sk, hdev->id, MGMT_OP_LOAD_CONN_PARAM, 0, NULL, 0); | |
5573 | } | |
5574 | ||
5575 | static int set_external_config(struct sock *sk, struct hci_dev *hdev, | |
5576 | void *data, u16 len) | |
5577 | { | |
5578 | struct mgmt_cp_set_external_config *cp = data; | |
5579 | bool changed; | |
5580 | int err; | |
5581 | ||
5582 | BT_DBG("%s", hdev->name); | |
5583 | ||
5584 | if (hdev_is_powered(hdev)) | |
5585 | return cmd_status(sk, hdev->id, MGMT_OP_SET_EXTERNAL_CONFIG, | |
5586 | MGMT_STATUS_REJECTED); | |
5587 | ||
5588 | if (cp->config != 0x00 && cp->config != 0x01) | |
5589 | return cmd_status(sk, hdev->id, MGMT_OP_SET_EXTERNAL_CONFIG, | |
5590 | MGMT_STATUS_INVALID_PARAMS); | |
5591 | ||
5592 | if (!test_bit(HCI_QUIRK_EXTERNAL_CONFIG, &hdev->quirks)) | |
5593 | return cmd_status(sk, hdev->id, MGMT_OP_SET_EXTERNAL_CONFIG, | |
5594 | MGMT_STATUS_NOT_SUPPORTED); | |
5595 | ||
5596 | hci_dev_lock(hdev); | |
5597 | ||
5598 | if (cp->config) | |
5599 | changed = !test_and_set_bit(HCI_EXT_CONFIGURED, | |
5600 | &hdev->dev_flags); | |
5601 | else | |
5602 | changed = test_and_clear_bit(HCI_EXT_CONFIGURED, | |
5603 | &hdev->dev_flags); | |
5604 | ||
5605 | err = send_options_rsp(sk, MGMT_OP_SET_EXTERNAL_CONFIG, hdev); | |
5606 | if (err < 0) | |
5607 | goto unlock; | |
5608 | ||
5609 | if (!changed) | |
5610 | goto unlock; | |
5611 | ||
5612 | err = new_options(hdev, sk); | |
5613 | ||
5614 | if (test_bit(HCI_UNCONFIGURED, &hdev->dev_flags) == is_configured(hdev)) { | |
5615 | mgmt_index_removed(hdev); | |
5616 | ||
5617 | if (test_and_change_bit(HCI_UNCONFIGURED, &hdev->dev_flags)) { | |
5618 | set_bit(HCI_CONFIG, &hdev->dev_flags); | |
5619 | set_bit(HCI_AUTO_OFF, &hdev->dev_flags); | |
5620 | ||
5621 | queue_work(hdev->req_workqueue, &hdev->power_on); | |
5622 | } else { | |
5623 | set_bit(HCI_RAW, &hdev->flags); | |
5624 | mgmt_index_added(hdev); | |
5625 | } | |
5626 | } | |
5627 | ||
5628 | unlock: | |
5629 | hci_dev_unlock(hdev); | |
5630 | return err; | |
5631 | } | |
5632 | ||
5633 | static int set_public_address(struct sock *sk, struct hci_dev *hdev, | |
5634 | void *data, u16 len) | |
5635 | { | |
5636 | struct mgmt_cp_set_public_address *cp = data; | |
5637 | bool changed; | |
5638 | int err; | |
5639 | ||
5640 | BT_DBG("%s", hdev->name); | |
5641 | ||
5642 | if (hdev_is_powered(hdev)) | |
5643 | return cmd_status(sk, hdev->id, MGMT_OP_SET_PUBLIC_ADDRESS, | |
5644 | MGMT_STATUS_REJECTED); | |
5645 | ||
5646 | if (!bacmp(&cp->bdaddr, BDADDR_ANY)) | |
5647 | return cmd_status(sk, hdev->id, MGMT_OP_SET_PUBLIC_ADDRESS, | |
5648 | MGMT_STATUS_INVALID_PARAMS); | |
5649 | ||
5650 | if (!hdev->set_bdaddr) | |
5651 | return cmd_status(sk, hdev->id, MGMT_OP_SET_PUBLIC_ADDRESS, | |
5652 | MGMT_STATUS_NOT_SUPPORTED); | |
5653 | ||
5654 | hci_dev_lock(hdev); | |
5655 | ||
5656 | changed = !!bacmp(&hdev->public_addr, &cp->bdaddr); | |
5657 | bacpy(&hdev->public_addr, &cp->bdaddr); | |
5658 | ||
5659 | err = send_options_rsp(sk, MGMT_OP_SET_PUBLIC_ADDRESS, hdev); | |
5660 | if (err < 0) | |
5661 | goto unlock; | |
5662 | ||
5663 | if (!changed) | |
5664 | goto unlock; | |
5665 | ||
5666 | if (test_bit(HCI_UNCONFIGURED, &hdev->dev_flags)) | |
5667 | err = new_options(hdev, sk); | |
5668 | ||
5669 | if (is_configured(hdev)) { | |
5670 | mgmt_index_removed(hdev); | |
5671 | ||
5672 | clear_bit(HCI_UNCONFIGURED, &hdev->dev_flags); | |
5673 | ||
5674 | set_bit(HCI_CONFIG, &hdev->dev_flags); | |
5675 | set_bit(HCI_AUTO_OFF, &hdev->dev_flags); | |
5676 | ||
5677 | queue_work(hdev->req_workqueue, &hdev->power_on); | |
5678 | } | |
5679 | ||
5680 | unlock: | |
5681 | hci_dev_unlock(hdev); | |
5682 | return err; | |
5683 | } | |
5684 | ||
5685 | static const struct mgmt_handler { | |
5686 | int (*func) (struct sock *sk, struct hci_dev *hdev, void *data, | |
5687 | u16 data_len); | |
5688 | bool var_len; | |
5689 | size_t data_len; | |
5690 | } mgmt_handlers[] = { | |
5691 | { NULL }, /* 0x0000 (no command) */ | |
5692 | { read_version, false, MGMT_READ_VERSION_SIZE }, | |
5693 | { read_commands, false, MGMT_READ_COMMANDS_SIZE }, | |
5694 | { read_index_list, false, MGMT_READ_INDEX_LIST_SIZE }, | |
5695 | { read_controller_info, false, MGMT_READ_INFO_SIZE }, | |
5696 | { set_powered, false, MGMT_SETTING_SIZE }, | |
5697 | { set_discoverable, false, MGMT_SET_DISCOVERABLE_SIZE }, | |
5698 | { set_connectable, false, MGMT_SETTING_SIZE }, | |
5699 | { set_fast_connectable, false, MGMT_SETTING_SIZE }, | |
5700 | { set_bondable, false, MGMT_SETTING_SIZE }, | |
5701 | { set_link_security, false, MGMT_SETTING_SIZE }, | |
5702 | { set_ssp, false, MGMT_SETTING_SIZE }, | |
5703 | { set_hs, false, MGMT_SETTING_SIZE }, | |
5704 | { set_le, false, MGMT_SETTING_SIZE }, | |
5705 | { set_dev_class, false, MGMT_SET_DEV_CLASS_SIZE }, | |
5706 | { set_local_name, false, MGMT_SET_LOCAL_NAME_SIZE }, | |
5707 | { add_uuid, false, MGMT_ADD_UUID_SIZE }, | |
5708 | { remove_uuid, false, MGMT_REMOVE_UUID_SIZE }, | |
5709 | { load_link_keys, true, MGMT_LOAD_LINK_KEYS_SIZE }, | |
5710 | { load_long_term_keys, true, MGMT_LOAD_LONG_TERM_KEYS_SIZE }, | |
5711 | { disconnect, false, MGMT_DISCONNECT_SIZE }, | |
5712 | { get_connections, false, MGMT_GET_CONNECTIONS_SIZE }, | |
5713 | { pin_code_reply, false, MGMT_PIN_CODE_REPLY_SIZE }, | |
5714 | { pin_code_neg_reply, false, MGMT_PIN_CODE_NEG_REPLY_SIZE }, | |
5715 | { set_io_capability, false, MGMT_SET_IO_CAPABILITY_SIZE }, | |
5716 | { pair_device, false, MGMT_PAIR_DEVICE_SIZE }, | |
5717 | { cancel_pair_device, false, MGMT_CANCEL_PAIR_DEVICE_SIZE }, | |
5718 | { unpair_device, false, MGMT_UNPAIR_DEVICE_SIZE }, | |
5719 | { user_confirm_reply, false, MGMT_USER_CONFIRM_REPLY_SIZE }, | |
5720 | { user_confirm_neg_reply, false, MGMT_USER_CONFIRM_NEG_REPLY_SIZE }, | |
5721 | { user_passkey_reply, false, MGMT_USER_PASSKEY_REPLY_SIZE }, | |
5722 | { user_passkey_neg_reply, false, MGMT_USER_PASSKEY_NEG_REPLY_SIZE }, | |
5723 | { read_local_oob_data, false, MGMT_READ_LOCAL_OOB_DATA_SIZE }, | |
5724 | { add_remote_oob_data, true, MGMT_ADD_REMOTE_OOB_DATA_SIZE }, | |
5725 | { remove_remote_oob_data, false, MGMT_REMOVE_REMOTE_OOB_DATA_SIZE }, | |
5726 | { start_discovery, false, MGMT_START_DISCOVERY_SIZE }, | |
5727 | { stop_discovery, false, MGMT_STOP_DISCOVERY_SIZE }, | |
5728 | { confirm_name, false, MGMT_CONFIRM_NAME_SIZE }, | |
5729 | { block_device, false, MGMT_BLOCK_DEVICE_SIZE }, | |
5730 | { unblock_device, false, MGMT_UNBLOCK_DEVICE_SIZE }, | |
5731 | { set_device_id, false, MGMT_SET_DEVICE_ID_SIZE }, | |
5732 | { set_advertising, false, MGMT_SETTING_SIZE }, | |
5733 | { set_bredr, false, MGMT_SETTING_SIZE }, | |
5734 | { set_static_address, false, MGMT_SET_STATIC_ADDRESS_SIZE }, | |
5735 | { set_scan_params, false, MGMT_SET_SCAN_PARAMS_SIZE }, | |
5736 | { set_secure_conn, false, MGMT_SETTING_SIZE }, | |
5737 | { set_debug_keys, false, MGMT_SETTING_SIZE }, | |
5738 | { set_privacy, false, MGMT_SET_PRIVACY_SIZE }, | |
5739 | { load_irks, true, MGMT_LOAD_IRKS_SIZE }, | |
5740 | { get_conn_info, false, MGMT_GET_CONN_INFO_SIZE }, | |
5741 | { get_clock_info, false, MGMT_GET_CLOCK_INFO_SIZE }, | |
5742 | { add_device, false, MGMT_ADD_DEVICE_SIZE }, | |
5743 | { remove_device, false, MGMT_REMOVE_DEVICE_SIZE }, | |
5744 | { load_conn_param, true, MGMT_LOAD_CONN_PARAM_SIZE }, | |
5745 | { read_unconf_index_list, false, MGMT_READ_UNCONF_INDEX_LIST_SIZE }, | |
5746 | { read_config_info, false, MGMT_READ_CONFIG_INFO_SIZE }, | |
5747 | { set_external_config, false, MGMT_SET_EXTERNAL_CONFIG_SIZE }, | |
5748 | { set_public_address, false, MGMT_SET_PUBLIC_ADDRESS_SIZE }, | |
5749 | }; | |
5750 | ||
5751 | int mgmt_control(struct sock *sk, struct msghdr *msg, size_t msglen) | |
5752 | { | |
5753 | void *buf; | |
5754 | u8 *cp; | |
5755 | struct mgmt_hdr *hdr; | |
5756 | u16 opcode, index, len; | |
5757 | struct hci_dev *hdev = NULL; | |
5758 | const struct mgmt_handler *handler; | |
5759 | int err; | |
5760 | ||
5761 | BT_DBG("got %zu bytes", msglen); | |
5762 | ||
5763 | if (msglen < sizeof(*hdr)) | |
5764 | return -EINVAL; | |
5765 | ||
5766 | buf = kmalloc(msglen, GFP_KERNEL); | |
5767 | if (!buf) | |
5768 | return -ENOMEM; | |
5769 | ||
5770 | if (memcpy_fromiovec(buf, msg->msg_iov, msglen)) { | |
5771 | err = -EFAULT; | |
5772 | goto done; | |
5773 | } | |
5774 | ||
5775 | hdr = buf; | |
5776 | opcode = __le16_to_cpu(hdr->opcode); | |
5777 | index = __le16_to_cpu(hdr->index); | |
5778 | len = __le16_to_cpu(hdr->len); | |
5779 | ||
5780 | if (len != msglen - sizeof(*hdr)) { | |
5781 | err = -EINVAL; | |
5782 | goto done; | |
5783 | } | |
5784 | ||
5785 | if (index != MGMT_INDEX_NONE) { | |
5786 | hdev = hci_dev_get(index); | |
5787 | if (!hdev) { | |
5788 | err = cmd_status(sk, index, opcode, | |
5789 | MGMT_STATUS_INVALID_INDEX); | |
5790 | goto done; | |
5791 | } | |
5792 | ||
5793 | if (test_bit(HCI_SETUP, &hdev->dev_flags) || | |
5794 | test_bit(HCI_CONFIG, &hdev->dev_flags) || | |
5795 | test_bit(HCI_USER_CHANNEL, &hdev->dev_flags)) { | |
5796 | err = cmd_status(sk, index, opcode, | |
5797 | MGMT_STATUS_INVALID_INDEX); | |
5798 | goto done; | |
5799 | } | |
5800 | ||
5801 | if (test_bit(HCI_UNCONFIGURED, &hdev->dev_flags) && | |
5802 | opcode != MGMT_OP_READ_CONFIG_INFO && | |
5803 | opcode != MGMT_OP_SET_EXTERNAL_CONFIG && | |
5804 | opcode != MGMT_OP_SET_PUBLIC_ADDRESS) { | |
5805 | err = cmd_status(sk, index, opcode, | |
5806 | MGMT_STATUS_INVALID_INDEX); | |
5807 | goto done; | |
5808 | } | |
5809 | } | |
5810 | ||
5811 | if (opcode >= ARRAY_SIZE(mgmt_handlers) || | |
5812 | mgmt_handlers[opcode].func == NULL) { | |
5813 | BT_DBG("Unknown op %u", opcode); | |
5814 | err = cmd_status(sk, index, opcode, | |
5815 | MGMT_STATUS_UNKNOWN_COMMAND); | |
5816 | goto done; | |
5817 | } | |
5818 | ||
5819 | if (hdev && (opcode <= MGMT_OP_READ_INDEX_LIST || | |
5820 | opcode == MGMT_OP_READ_UNCONF_INDEX_LIST)) { | |
5821 | err = cmd_status(sk, index, opcode, | |
5822 | MGMT_STATUS_INVALID_INDEX); | |
5823 | goto done; | |
5824 | } | |
5825 | ||
5826 | if (!hdev && (opcode > MGMT_OP_READ_INDEX_LIST && | |
5827 | opcode != MGMT_OP_READ_UNCONF_INDEX_LIST)) { | |
5828 | err = cmd_status(sk, index, opcode, | |
5829 | MGMT_STATUS_INVALID_INDEX); | |
5830 | goto done; | |
5831 | } | |
5832 | ||
5833 | handler = &mgmt_handlers[opcode]; | |
5834 | ||
5835 | if ((handler->var_len && len < handler->data_len) || | |
5836 | (!handler->var_len && len != handler->data_len)) { | |
5837 | err = cmd_status(sk, index, opcode, | |
5838 | MGMT_STATUS_INVALID_PARAMS); | |
5839 | goto done; | |
5840 | } | |
5841 | ||
5842 | if (hdev) | |
5843 | mgmt_init_hdev(sk, hdev); | |
5844 | ||
5845 | cp = buf + sizeof(*hdr); | |
5846 | ||
5847 | err = handler->func(sk, hdev, cp, len); | |
5848 | if (err < 0) | |
5849 | goto done; | |
5850 | ||
5851 | err = msglen; | |
5852 | ||
5853 | done: | |
5854 | if (hdev) | |
5855 | hci_dev_put(hdev); | |
5856 | ||
5857 | kfree(buf); | |
5858 | return err; | |
5859 | } | |
5860 | ||
5861 | void mgmt_index_added(struct hci_dev *hdev) | |
5862 | { | |
5863 | if (hdev->dev_type != HCI_BREDR) | |
5864 | return; | |
5865 | ||
5866 | if (test_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks)) | |
5867 | return; | |
5868 | ||
5869 | if (test_bit(HCI_UNCONFIGURED, &hdev->dev_flags)) | |
5870 | mgmt_event(MGMT_EV_UNCONF_INDEX_ADDED, hdev, NULL, 0, NULL); | |
5871 | else | |
5872 | mgmt_event(MGMT_EV_INDEX_ADDED, hdev, NULL, 0, NULL); | |
5873 | } | |
5874 | ||
5875 | void mgmt_index_removed(struct hci_dev *hdev) | |
5876 | { | |
5877 | u8 status = MGMT_STATUS_INVALID_INDEX; | |
5878 | ||
5879 | if (hdev->dev_type != HCI_BREDR) | |
5880 | return; | |
5881 | ||
5882 | if (test_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks)) | |
5883 | return; | |
5884 | ||
5885 | mgmt_pending_foreach(0, hdev, cmd_status_rsp, &status); | |
5886 | ||
5887 | if (test_bit(HCI_UNCONFIGURED, &hdev->dev_flags)) | |
5888 | mgmt_event(MGMT_EV_UNCONF_INDEX_REMOVED, hdev, NULL, 0, NULL); | |
5889 | else | |
5890 | mgmt_event(MGMT_EV_INDEX_REMOVED, hdev, NULL, 0, NULL); | |
5891 | } | |
5892 | ||
5893 | /* This function requires the caller holds hdev->lock */ | |
5894 | static void restart_le_actions(struct hci_dev *hdev) | |
5895 | { | |
5896 | struct hci_conn_params *p; | |
5897 | ||
5898 | list_for_each_entry(p, &hdev->le_conn_params, list) { | |
5899 | /* Needed for AUTO_OFF case where might not "really" | |
5900 | * have been powered off. | |
5901 | */ | |
5902 | list_del_init(&p->action); | |
5903 | ||
5904 | switch (p->auto_connect) { | |
5905 | case HCI_AUTO_CONN_DIRECT: | |
5906 | case HCI_AUTO_CONN_ALWAYS: | |
5907 | list_add(&p->action, &hdev->pend_le_conns); | |
5908 | break; | |
5909 | case HCI_AUTO_CONN_REPORT: | |
5910 | list_add(&p->action, &hdev->pend_le_reports); | |
5911 | break; | |
5912 | default: | |
5913 | break; | |
5914 | } | |
5915 | } | |
5916 | ||
5917 | hci_update_background_scan(hdev); | |
5918 | } | |
5919 | ||
5920 | static void powered_complete(struct hci_dev *hdev, u8 status) | |
5921 | { | |
5922 | struct cmd_lookup match = { NULL, hdev }; | |
5923 | ||
5924 | BT_DBG("status 0x%02x", status); | |
5925 | ||
5926 | hci_dev_lock(hdev); | |
5927 | ||
5928 | restart_le_actions(hdev); | |
5929 | ||
5930 | mgmt_pending_foreach(MGMT_OP_SET_POWERED, hdev, settings_rsp, &match); | |
5931 | ||
5932 | new_settings(hdev, match.sk); | |
5933 | ||
5934 | hci_dev_unlock(hdev); | |
5935 | ||
5936 | if (match.sk) | |
5937 | sock_put(match.sk); | |
5938 | } | |
5939 | ||
5940 | static int powered_update_hci(struct hci_dev *hdev) | |
5941 | { | |
5942 | struct hci_request req; | |
5943 | u8 link_sec; | |
5944 | ||
5945 | hci_req_init(&req, hdev); | |
5946 | ||
5947 | if (test_bit(HCI_SSP_ENABLED, &hdev->dev_flags) && | |
5948 | !lmp_host_ssp_capable(hdev)) { | |
5949 | u8 ssp = 1; | |
5950 | ||
5951 | hci_req_add(&req, HCI_OP_WRITE_SSP_MODE, 1, &ssp); | |
5952 | } | |
5953 | ||
5954 | if (test_bit(HCI_LE_ENABLED, &hdev->dev_flags) && | |
5955 | lmp_bredr_capable(hdev)) { | |
5956 | struct hci_cp_write_le_host_supported cp; | |
5957 | ||
5958 | cp.le = 0x01; | |
5959 | cp.simul = 0x00; | |
5960 | ||
5961 | /* Check first if we already have the right | |
5962 | * host state (host features set) | |
5963 | */ | |
5964 | if (cp.le != lmp_host_le_capable(hdev) || | |
5965 | cp.simul != lmp_host_le_br_capable(hdev)) | |
5966 | hci_req_add(&req, HCI_OP_WRITE_LE_HOST_SUPPORTED, | |
5967 | sizeof(cp), &cp); | |
5968 | } | |
5969 | ||
5970 | if (lmp_le_capable(hdev)) { | |
5971 | /* Make sure the controller has a good default for | |
5972 | * advertising data. This also applies to the case | |
5973 | * where BR/EDR was toggled during the AUTO_OFF phase. | |
5974 | */ | |
5975 | if (test_bit(HCI_LE_ENABLED, &hdev->dev_flags)) { | |
5976 | update_adv_data(&req); | |
5977 | update_scan_rsp_data(&req); | |
5978 | } | |
5979 | ||
5980 | if (test_bit(HCI_ADVERTISING, &hdev->dev_flags)) | |
5981 | enable_advertising(&req); | |
5982 | } | |
5983 | ||
5984 | link_sec = test_bit(HCI_LINK_SECURITY, &hdev->dev_flags); | |
5985 | if (link_sec != test_bit(HCI_AUTH, &hdev->flags)) | |
5986 | hci_req_add(&req, HCI_OP_WRITE_AUTH_ENABLE, | |
5987 | sizeof(link_sec), &link_sec); | |
5988 | ||
5989 | if (lmp_bredr_capable(hdev)) { | |
5990 | write_fast_connectable(&req, false); | |
5991 | hci_update_page_scan(hdev, &req); | |
5992 | update_class(&req); | |
5993 | update_name(&req); | |
5994 | update_eir(&req); | |
5995 | } | |
5996 | ||
5997 | return hci_req_run(&req, powered_complete); | |
5998 | } | |
5999 | ||
6000 | int mgmt_powered(struct hci_dev *hdev, u8 powered) | |
6001 | { | |
6002 | struct cmd_lookup match = { NULL, hdev }; | |
6003 | u8 status_not_powered = MGMT_STATUS_NOT_POWERED; | |
6004 | u8 zero_cod[] = { 0, 0, 0 }; | |
6005 | int err; | |
6006 | ||
6007 | if (!test_bit(HCI_MGMT, &hdev->dev_flags)) | |
6008 | return 0; | |
6009 | ||
6010 | if (powered) { | |
6011 | if (powered_update_hci(hdev) == 0) | |
6012 | return 0; | |
6013 | ||
6014 | mgmt_pending_foreach(MGMT_OP_SET_POWERED, hdev, settings_rsp, | |
6015 | &match); | |
6016 | goto new_settings; | |
6017 | } | |
6018 | ||
6019 | mgmt_pending_foreach(MGMT_OP_SET_POWERED, hdev, settings_rsp, &match); | |
6020 | mgmt_pending_foreach(0, hdev, cmd_status_rsp, &status_not_powered); | |
6021 | ||
6022 | if (memcmp(hdev->dev_class, zero_cod, sizeof(zero_cod)) != 0) | |
6023 | mgmt_event(MGMT_EV_CLASS_OF_DEV_CHANGED, hdev, | |
6024 | zero_cod, sizeof(zero_cod), NULL); | |
6025 | ||
6026 | new_settings: | |
6027 | err = new_settings(hdev, match.sk); | |
6028 | ||
6029 | if (match.sk) | |
6030 | sock_put(match.sk); | |
6031 | ||
6032 | return err; | |
6033 | } | |
6034 | ||
6035 | void mgmt_set_powered_failed(struct hci_dev *hdev, int err) | |
6036 | { | |
6037 | struct pending_cmd *cmd; | |
6038 | u8 status; | |
6039 | ||
6040 | cmd = mgmt_pending_find(MGMT_OP_SET_POWERED, hdev); | |
6041 | if (!cmd) | |
6042 | return; | |
6043 | ||
6044 | if (err == -ERFKILL) | |
6045 | status = MGMT_STATUS_RFKILLED; | |
6046 | else | |
6047 | status = MGMT_STATUS_FAILED; | |
6048 | ||
6049 | cmd_status(cmd->sk, hdev->id, MGMT_OP_SET_POWERED, status); | |
6050 | ||
6051 | mgmt_pending_remove(cmd); | |
6052 | } | |
6053 | ||
6054 | void mgmt_discoverable_timeout(struct hci_dev *hdev) | |
6055 | { | |
6056 | struct hci_request req; | |
6057 | ||
6058 | hci_dev_lock(hdev); | |
6059 | ||
6060 | /* When discoverable timeout triggers, then just make sure | |
6061 | * the limited discoverable flag is cleared. Even in the case | |
6062 | * of a timeout triggered from general discoverable, it is | |
6063 | * safe to unconditionally clear the flag. | |
6064 | */ | |
6065 | clear_bit(HCI_LIMITED_DISCOVERABLE, &hdev->dev_flags); | |
6066 | clear_bit(HCI_DISCOVERABLE, &hdev->dev_flags); | |
6067 | ||
6068 | hci_req_init(&req, hdev); | |
6069 | if (test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags)) { | |
6070 | u8 scan = SCAN_PAGE; | |
6071 | hci_req_add(&req, HCI_OP_WRITE_SCAN_ENABLE, | |
6072 | sizeof(scan), &scan); | |
6073 | } | |
6074 | update_class(&req); | |
6075 | update_adv_data(&req); | |
6076 | hci_req_run(&req, NULL); | |
6077 | ||
6078 | hdev->discov_timeout = 0; | |
6079 | ||
6080 | new_settings(hdev, NULL); | |
6081 | ||
6082 | hci_dev_unlock(hdev); | |
6083 | } | |
6084 | ||
6085 | void mgmt_new_link_key(struct hci_dev *hdev, struct link_key *key, | |
6086 | bool persistent) | |
6087 | { | |
6088 | struct mgmt_ev_new_link_key ev; | |
6089 | ||
6090 | memset(&ev, 0, sizeof(ev)); | |
6091 | ||
6092 | ev.store_hint = persistent; | |
6093 | bacpy(&ev.key.addr.bdaddr, &key->bdaddr); | |
6094 | ev.key.addr.type = BDADDR_BREDR; | |
6095 | ev.key.type = key->type; | |
6096 | memcpy(ev.key.val, key->val, HCI_LINK_KEY_SIZE); | |
6097 | ev.key.pin_len = key->pin_len; | |
6098 | ||
6099 | mgmt_event(MGMT_EV_NEW_LINK_KEY, hdev, &ev, sizeof(ev), NULL); | |
6100 | } | |
6101 | ||
6102 | static u8 mgmt_ltk_type(struct smp_ltk *ltk) | |
6103 | { | |
6104 | if (ltk->authenticated) | |
6105 | return MGMT_LTK_AUTHENTICATED; | |
6106 | ||
6107 | return MGMT_LTK_UNAUTHENTICATED; | |
6108 | } | |
6109 | ||
6110 | void mgmt_new_ltk(struct hci_dev *hdev, struct smp_ltk *key, bool persistent) | |
6111 | { | |
6112 | struct mgmt_ev_new_long_term_key ev; | |
6113 | ||
6114 | memset(&ev, 0, sizeof(ev)); | |
6115 | ||
6116 | /* Devices using resolvable or non-resolvable random addresses | |
6117 | * without providing an indentity resolving key don't require | |
6118 | * to store long term keys. Their addresses will change the | |
6119 | * next time around. | |
6120 | * | |
6121 | * Only when a remote device provides an identity address | |
6122 | * make sure the long term key is stored. If the remote | |
6123 | * identity is known, the long term keys are internally | |
6124 | * mapped to the identity address. So allow static random | |
6125 | * and public addresses here. | |
6126 | */ | |
6127 | if (key->bdaddr_type == ADDR_LE_DEV_RANDOM && | |
6128 | (key->bdaddr.b[5] & 0xc0) != 0xc0) | |
6129 | ev.store_hint = 0x00; | |
6130 | else | |
6131 | ev.store_hint = persistent; | |
6132 | ||
6133 | bacpy(&ev.key.addr.bdaddr, &key->bdaddr); | |
6134 | ev.key.addr.type = link_to_bdaddr(LE_LINK, key->bdaddr_type); | |
6135 | ev.key.type = mgmt_ltk_type(key); | |
6136 | ev.key.enc_size = key->enc_size; | |
6137 | ev.key.ediv = key->ediv; | |
6138 | ev.key.rand = key->rand; | |
6139 | ||
6140 | if (key->type == SMP_LTK) | |
6141 | ev.key.master = 1; | |
6142 | ||
6143 | memcpy(ev.key.val, key->val, sizeof(key->val)); | |
6144 | ||
6145 | mgmt_event(MGMT_EV_NEW_LONG_TERM_KEY, hdev, &ev, sizeof(ev), NULL); | |
6146 | } | |
6147 | ||
6148 | void mgmt_new_irk(struct hci_dev *hdev, struct smp_irk *irk) | |
6149 | { | |
6150 | struct mgmt_ev_new_irk ev; | |
6151 | ||
6152 | memset(&ev, 0, sizeof(ev)); | |
6153 | ||
6154 | /* For identity resolving keys from devices that are already | |
6155 | * using a public address or static random address, do not | |
6156 | * ask for storing this key. The identity resolving key really | |
6157 | * is only mandatory for devices using resovlable random | |
6158 | * addresses. | |
6159 | * | |
6160 | * Storing all identity resolving keys has the downside that | |
6161 | * they will be also loaded on next boot of they system. More | |
6162 | * identity resolving keys, means more time during scanning is | |
6163 | * needed to actually resolve these addresses. | |
6164 | */ | |
6165 | if (bacmp(&irk->rpa, BDADDR_ANY)) | |
6166 | ev.store_hint = 0x01; | |
6167 | else | |
6168 | ev.store_hint = 0x00; | |
6169 | ||
6170 | bacpy(&ev.rpa, &irk->rpa); | |
6171 | bacpy(&ev.irk.addr.bdaddr, &irk->bdaddr); | |
6172 | ev.irk.addr.type = link_to_bdaddr(LE_LINK, irk->addr_type); | |
6173 | memcpy(ev.irk.val, irk->val, sizeof(irk->val)); | |
6174 | ||
6175 | mgmt_event(MGMT_EV_NEW_IRK, hdev, &ev, sizeof(ev), NULL); | |
6176 | } | |
6177 | ||
6178 | void mgmt_new_csrk(struct hci_dev *hdev, struct smp_csrk *csrk, | |
6179 | bool persistent) | |
6180 | { | |
6181 | struct mgmt_ev_new_csrk ev; | |
6182 | ||
6183 | memset(&ev, 0, sizeof(ev)); | |
6184 | ||
6185 | /* Devices using resolvable or non-resolvable random addresses | |
6186 | * without providing an indentity resolving key don't require | |
6187 | * to store signature resolving keys. Their addresses will change | |
6188 | * the next time around. | |
6189 | * | |
6190 | * Only when a remote device provides an identity address | |
6191 | * make sure the signature resolving key is stored. So allow | |
6192 | * static random and public addresses here. | |
6193 | */ | |
6194 | if (csrk->bdaddr_type == ADDR_LE_DEV_RANDOM && | |
6195 | (csrk->bdaddr.b[5] & 0xc0) != 0xc0) | |
6196 | ev.store_hint = 0x00; | |
6197 | else | |
6198 | ev.store_hint = persistent; | |
6199 | ||
6200 | bacpy(&ev.key.addr.bdaddr, &csrk->bdaddr); | |
6201 | ev.key.addr.type = link_to_bdaddr(LE_LINK, csrk->bdaddr_type); | |
6202 | ev.key.master = csrk->master; | |
6203 | memcpy(ev.key.val, csrk->val, sizeof(csrk->val)); | |
6204 | ||
6205 | mgmt_event(MGMT_EV_NEW_CSRK, hdev, &ev, sizeof(ev), NULL); | |
6206 | } | |
6207 | ||
6208 | void mgmt_new_conn_param(struct hci_dev *hdev, bdaddr_t *bdaddr, | |
6209 | u8 bdaddr_type, u8 store_hint, u16 min_interval, | |
6210 | u16 max_interval, u16 latency, u16 timeout) | |
6211 | { | |
6212 | struct mgmt_ev_new_conn_param ev; | |
6213 | ||
6214 | if (!hci_is_identity_address(bdaddr, bdaddr_type)) | |
6215 | return; | |
6216 | ||
6217 | memset(&ev, 0, sizeof(ev)); | |
6218 | bacpy(&ev.addr.bdaddr, bdaddr); | |
6219 | ev.addr.type = link_to_bdaddr(LE_LINK, bdaddr_type); | |
6220 | ev.store_hint = store_hint; | |
6221 | ev.min_interval = cpu_to_le16(min_interval); | |
6222 | ev.max_interval = cpu_to_le16(max_interval); | |
6223 | ev.latency = cpu_to_le16(latency); | |
6224 | ev.timeout = cpu_to_le16(timeout); | |
6225 | ||
6226 | mgmt_event(MGMT_EV_NEW_CONN_PARAM, hdev, &ev, sizeof(ev), NULL); | |
6227 | } | |
6228 | ||
6229 | static inline u16 eir_append_data(u8 *eir, u16 eir_len, u8 type, u8 *data, | |
6230 | u8 data_len) | |
6231 | { | |
6232 | eir[eir_len++] = sizeof(type) + data_len; | |
6233 | eir[eir_len++] = type; | |
6234 | memcpy(&eir[eir_len], data, data_len); | |
6235 | eir_len += data_len; | |
6236 | ||
6237 | return eir_len; | |
6238 | } | |
6239 | ||
6240 | void mgmt_device_connected(struct hci_dev *hdev, struct hci_conn *conn, | |
6241 | u32 flags, u8 *name, u8 name_len) | |
6242 | { | |
6243 | char buf[512]; | |
6244 | struct mgmt_ev_device_connected *ev = (void *) buf; | |
6245 | u16 eir_len = 0; | |
6246 | ||
6247 | bacpy(&ev->addr.bdaddr, &conn->dst); | |
6248 | ev->addr.type = link_to_bdaddr(conn->type, conn->dst_type); | |
6249 | ||
6250 | ev->flags = __cpu_to_le32(flags); | |
6251 | ||
6252 | /* We must ensure that the EIR Data fields are ordered and | |
6253 | * unique. Keep it simple for now and avoid the problem by not | |
6254 | * adding any BR/EDR data to the LE adv. | |
6255 | */ | |
6256 | if (conn->le_adv_data_len > 0) { | |
6257 | memcpy(&ev->eir[eir_len], | |
6258 | conn->le_adv_data, conn->le_adv_data_len); | |
6259 | eir_len = conn->le_adv_data_len; | |
6260 | } else { | |
6261 | if (name_len > 0) | |
6262 | eir_len = eir_append_data(ev->eir, 0, EIR_NAME_COMPLETE, | |
6263 | name, name_len); | |
6264 | ||
6265 | if (memcmp(conn->dev_class, "\0\0\0", 3) != 0) | |
6266 | eir_len = eir_append_data(ev->eir, eir_len, | |
6267 | EIR_CLASS_OF_DEV, | |
6268 | conn->dev_class, 3); | |
6269 | } | |
6270 | ||
6271 | ev->eir_len = cpu_to_le16(eir_len); | |
6272 | ||
6273 | mgmt_event(MGMT_EV_DEVICE_CONNECTED, hdev, buf, | |
6274 | sizeof(*ev) + eir_len, NULL); | |
6275 | } | |
6276 | ||
6277 | static void disconnect_rsp(struct pending_cmd *cmd, void *data) | |
6278 | { | |
6279 | struct mgmt_cp_disconnect *cp = cmd->param; | |
6280 | struct sock **sk = data; | |
6281 | struct mgmt_rp_disconnect rp; | |
6282 | ||
6283 | bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr); | |
6284 | rp.addr.type = cp->addr.type; | |
6285 | ||
6286 | cmd_complete(cmd->sk, cmd->index, MGMT_OP_DISCONNECT, 0, &rp, | |
6287 | sizeof(rp)); | |
6288 | ||
6289 | *sk = cmd->sk; | |
6290 | sock_hold(*sk); | |
6291 | ||
6292 | mgmt_pending_remove(cmd); | |
6293 | } | |
6294 | ||
6295 | static void unpair_device_rsp(struct pending_cmd *cmd, void *data) | |
6296 | { | |
6297 | struct hci_dev *hdev = data; | |
6298 | struct mgmt_cp_unpair_device *cp = cmd->param; | |
6299 | struct mgmt_rp_unpair_device rp; | |
6300 | ||
6301 | memset(&rp, 0, sizeof(rp)); | |
6302 | bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr); | |
6303 | rp.addr.type = cp->addr.type; | |
6304 | ||
6305 | device_unpaired(hdev, &cp->addr.bdaddr, cp->addr.type, cmd->sk); | |
6306 | ||
6307 | cmd_complete(cmd->sk, cmd->index, cmd->opcode, 0, &rp, sizeof(rp)); | |
6308 | ||
6309 | mgmt_pending_remove(cmd); | |
6310 | } | |
6311 | ||
6312 | bool mgmt_powering_down(struct hci_dev *hdev) | |
6313 | { | |
6314 | struct pending_cmd *cmd; | |
6315 | struct mgmt_mode *cp; | |
6316 | ||
6317 | cmd = mgmt_pending_find(MGMT_OP_SET_POWERED, hdev); | |
6318 | if (!cmd) | |
6319 | return false; | |
6320 | ||
6321 | cp = cmd->param; | |
6322 | if (!cp->val) | |
6323 | return true; | |
6324 | ||
6325 | return false; | |
6326 | } | |
6327 | ||
6328 | void mgmt_device_disconnected(struct hci_dev *hdev, bdaddr_t *bdaddr, | |
6329 | u8 link_type, u8 addr_type, u8 reason, | |
6330 | bool mgmt_connected) | |
6331 | { | |
6332 | struct mgmt_ev_device_disconnected ev; | |
6333 | struct sock *sk = NULL; | |
6334 | ||
6335 | /* The connection is still in hci_conn_hash so test for 1 | |
6336 | * instead of 0 to know if this is the last one. | |
6337 | */ | |
6338 | if (mgmt_powering_down(hdev) && hci_conn_count(hdev) == 1) { | |
6339 | cancel_delayed_work(&hdev->power_off); | |
6340 | queue_work(hdev->req_workqueue, &hdev->power_off.work); | |
6341 | } | |
6342 | ||
6343 | if (!mgmt_connected) | |
6344 | return; | |
6345 | ||
6346 | if (link_type != ACL_LINK && link_type != LE_LINK) | |
6347 | return; | |
6348 | ||
6349 | mgmt_pending_foreach(MGMT_OP_DISCONNECT, hdev, disconnect_rsp, &sk); | |
6350 | ||
6351 | bacpy(&ev.addr.bdaddr, bdaddr); | |
6352 | ev.addr.type = link_to_bdaddr(link_type, addr_type); | |
6353 | ev.reason = reason; | |
6354 | ||
6355 | mgmt_event(MGMT_EV_DEVICE_DISCONNECTED, hdev, &ev, sizeof(ev), sk); | |
6356 | ||
6357 | if (sk) | |
6358 | sock_put(sk); | |
6359 | ||
6360 | mgmt_pending_foreach(MGMT_OP_UNPAIR_DEVICE, hdev, unpair_device_rsp, | |
6361 | hdev); | |
6362 | } | |
6363 | ||
6364 | void mgmt_disconnect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, | |
6365 | u8 link_type, u8 addr_type, u8 status) | |
6366 | { | |
6367 | u8 bdaddr_type = link_to_bdaddr(link_type, addr_type); | |
6368 | struct mgmt_cp_disconnect *cp; | |
6369 | struct mgmt_rp_disconnect rp; | |
6370 | struct pending_cmd *cmd; | |
6371 | ||
6372 | mgmt_pending_foreach(MGMT_OP_UNPAIR_DEVICE, hdev, unpair_device_rsp, | |
6373 | hdev); | |
6374 | ||
6375 | cmd = mgmt_pending_find(MGMT_OP_DISCONNECT, hdev); | |
6376 | if (!cmd) | |
6377 | return; | |
6378 | ||
6379 | cp = cmd->param; | |
6380 | ||
6381 | if (bacmp(bdaddr, &cp->addr.bdaddr)) | |
6382 | return; | |
6383 | ||
6384 | if (cp->addr.type != bdaddr_type) | |
6385 | return; | |
6386 | ||
6387 | bacpy(&rp.addr.bdaddr, bdaddr); | |
6388 | rp.addr.type = bdaddr_type; | |
6389 | ||
6390 | cmd_complete(cmd->sk, cmd->index, MGMT_OP_DISCONNECT, | |
6391 | mgmt_status(status), &rp, sizeof(rp)); | |
6392 | ||
6393 | mgmt_pending_remove(cmd); | |
6394 | } | |
6395 | ||
6396 | void mgmt_connect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, | |
6397 | u8 addr_type, u8 status) | |
6398 | { | |
6399 | struct mgmt_ev_connect_failed ev; | |
6400 | ||
6401 | /* The connection is still in hci_conn_hash so test for 1 | |
6402 | * instead of 0 to know if this is the last one. | |
6403 | */ | |
6404 | if (mgmt_powering_down(hdev) && hci_conn_count(hdev) == 1) { | |
6405 | cancel_delayed_work(&hdev->power_off); | |
6406 | queue_work(hdev->req_workqueue, &hdev->power_off.work); | |
6407 | } | |
6408 | ||
6409 | bacpy(&ev.addr.bdaddr, bdaddr); | |
6410 | ev.addr.type = link_to_bdaddr(link_type, addr_type); | |
6411 | ev.status = mgmt_status(status); | |
6412 | ||
6413 | mgmt_event(MGMT_EV_CONNECT_FAILED, hdev, &ev, sizeof(ev), NULL); | |
6414 | } | |
6415 | ||
6416 | void mgmt_pin_code_request(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 secure) | |
6417 | { | |
6418 | struct mgmt_ev_pin_code_request ev; | |
6419 | ||
6420 | bacpy(&ev.addr.bdaddr, bdaddr); | |
6421 | ev.addr.type = BDADDR_BREDR; | |
6422 | ev.secure = secure; | |
6423 | ||
6424 | mgmt_event(MGMT_EV_PIN_CODE_REQUEST, hdev, &ev, sizeof(ev), NULL); | |
6425 | } | |
6426 | ||
6427 | void mgmt_pin_code_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, | |
6428 | u8 status) | |
6429 | { | |
6430 | struct pending_cmd *cmd; | |
6431 | struct mgmt_rp_pin_code_reply rp; | |
6432 | ||
6433 | cmd = mgmt_pending_find(MGMT_OP_PIN_CODE_REPLY, hdev); | |
6434 | if (!cmd) | |
6435 | return; | |
6436 | ||
6437 | bacpy(&rp.addr.bdaddr, bdaddr); | |
6438 | rp.addr.type = BDADDR_BREDR; | |
6439 | ||
6440 | cmd_complete(cmd->sk, hdev->id, MGMT_OP_PIN_CODE_REPLY, | |
6441 | mgmt_status(status), &rp, sizeof(rp)); | |
6442 | ||
6443 | mgmt_pending_remove(cmd); | |
6444 | } | |
6445 | ||
6446 | void mgmt_pin_code_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, | |
6447 | u8 status) | |
6448 | { | |
6449 | struct pending_cmd *cmd; | |
6450 | struct mgmt_rp_pin_code_reply rp; | |
6451 | ||
6452 | cmd = mgmt_pending_find(MGMT_OP_PIN_CODE_NEG_REPLY, hdev); | |
6453 | if (!cmd) | |
6454 | return; | |
6455 | ||
6456 | bacpy(&rp.addr.bdaddr, bdaddr); | |
6457 | rp.addr.type = BDADDR_BREDR; | |
6458 | ||
6459 | cmd_complete(cmd->sk, hdev->id, MGMT_OP_PIN_CODE_NEG_REPLY, | |
6460 | mgmt_status(status), &rp, sizeof(rp)); | |
6461 | ||
6462 | mgmt_pending_remove(cmd); | |
6463 | } | |
6464 | ||
6465 | int mgmt_user_confirm_request(struct hci_dev *hdev, bdaddr_t *bdaddr, | |
6466 | u8 link_type, u8 addr_type, u32 value, | |
6467 | u8 confirm_hint) | |
6468 | { | |
6469 | struct mgmt_ev_user_confirm_request ev; | |
6470 | ||
6471 | BT_DBG("%s", hdev->name); | |
6472 | ||
6473 | bacpy(&ev.addr.bdaddr, bdaddr); | |
6474 | ev.addr.type = link_to_bdaddr(link_type, addr_type); | |
6475 | ev.confirm_hint = confirm_hint; | |
6476 | ev.value = cpu_to_le32(value); | |
6477 | ||
6478 | return mgmt_event(MGMT_EV_USER_CONFIRM_REQUEST, hdev, &ev, sizeof(ev), | |
6479 | NULL); | |
6480 | } | |
6481 | ||
6482 | int mgmt_user_passkey_request(struct hci_dev *hdev, bdaddr_t *bdaddr, | |
6483 | u8 link_type, u8 addr_type) | |
6484 | { | |
6485 | struct mgmt_ev_user_passkey_request ev; | |
6486 | ||
6487 | BT_DBG("%s", hdev->name); | |
6488 | ||
6489 | bacpy(&ev.addr.bdaddr, bdaddr); | |
6490 | ev.addr.type = link_to_bdaddr(link_type, addr_type); | |
6491 | ||
6492 | return mgmt_event(MGMT_EV_USER_PASSKEY_REQUEST, hdev, &ev, sizeof(ev), | |
6493 | NULL); | |
6494 | } | |
6495 | ||
6496 | static int user_pairing_resp_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, | |
6497 | u8 link_type, u8 addr_type, u8 status, | |
6498 | u8 opcode) | |
6499 | { | |
6500 | struct pending_cmd *cmd; | |
6501 | struct mgmt_rp_user_confirm_reply rp; | |
6502 | int err; | |
6503 | ||
6504 | cmd = mgmt_pending_find(opcode, hdev); | |
6505 | if (!cmd) | |
6506 | return -ENOENT; | |
6507 | ||
6508 | bacpy(&rp.addr.bdaddr, bdaddr); | |
6509 | rp.addr.type = link_to_bdaddr(link_type, addr_type); | |
6510 | err = cmd_complete(cmd->sk, hdev->id, opcode, mgmt_status(status), | |
6511 | &rp, sizeof(rp)); | |
6512 | ||
6513 | mgmt_pending_remove(cmd); | |
6514 | ||
6515 | return err; | |
6516 | } | |
6517 | ||
6518 | int mgmt_user_confirm_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, | |
6519 | u8 link_type, u8 addr_type, u8 status) | |
6520 | { | |
6521 | return user_pairing_resp_complete(hdev, bdaddr, link_type, addr_type, | |
6522 | status, MGMT_OP_USER_CONFIRM_REPLY); | |
6523 | } | |
6524 | ||
6525 | int mgmt_user_confirm_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, | |
6526 | u8 link_type, u8 addr_type, u8 status) | |
6527 | { | |
6528 | return user_pairing_resp_complete(hdev, bdaddr, link_type, addr_type, | |
6529 | status, | |
6530 | MGMT_OP_USER_CONFIRM_NEG_REPLY); | |
6531 | } | |
6532 | ||
6533 | int mgmt_user_passkey_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, | |
6534 | u8 link_type, u8 addr_type, u8 status) | |
6535 | { | |
6536 | return user_pairing_resp_complete(hdev, bdaddr, link_type, addr_type, | |
6537 | status, MGMT_OP_USER_PASSKEY_REPLY); | |
6538 | } | |
6539 | ||
6540 | int mgmt_user_passkey_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, | |
6541 | u8 link_type, u8 addr_type, u8 status) | |
6542 | { | |
6543 | return user_pairing_resp_complete(hdev, bdaddr, link_type, addr_type, | |
6544 | status, | |
6545 | MGMT_OP_USER_PASSKEY_NEG_REPLY); | |
6546 | } | |
6547 | ||
6548 | int mgmt_user_passkey_notify(struct hci_dev *hdev, bdaddr_t *bdaddr, | |
6549 | u8 link_type, u8 addr_type, u32 passkey, | |
6550 | u8 entered) | |
6551 | { | |
6552 | struct mgmt_ev_passkey_notify ev; | |
6553 | ||
6554 | BT_DBG("%s", hdev->name); | |
6555 | ||
6556 | bacpy(&ev.addr.bdaddr, bdaddr); | |
6557 | ev.addr.type = link_to_bdaddr(link_type, addr_type); | |
6558 | ev.passkey = __cpu_to_le32(passkey); | |
6559 | ev.entered = entered; | |
6560 | ||
6561 | return mgmt_event(MGMT_EV_PASSKEY_NOTIFY, hdev, &ev, sizeof(ev), NULL); | |
6562 | } | |
6563 | ||
6564 | void mgmt_auth_failed(struct hci_conn *conn, u8 hci_status) | |
6565 | { | |
6566 | struct mgmt_ev_auth_failed ev; | |
6567 | struct pending_cmd *cmd; | |
6568 | u8 status = mgmt_status(hci_status); | |
6569 | ||
6570 | bacpy(&ev.addr.bdaddr, &conn->dst); | |
6571 | ev.addr.type = link_to_bdaddr(conn->type, conn->dst_type); | |
6572 | ev.status = status; | |
6573 | ||
6574 | cmd = find_pairing(conn); | |
6575 | ||
6576 | mgmt_event(MGMT_EV_AUTH_FAILED, conn->hdev, &ev, sizeof(ev), | |
6577 | cmd ? cmd->sk : NULL); | |
6578 | ||
6579 | if (cmd) | |
6580 | pairing_complete(cmd, status); | |
6581 | } | |
6582 | ||
6583 | void mgmt_auth_enable_complete(struct hci_dev *hdev, u8 status) | |
6584 | { | |
6585 | struct cmd_lookup match = { NULL, hdev }; | |
6586 | bool changed; | |
6587 | ||
6588 | if (status) { | |
6589 | u8 mgmt_err = mgmt_status(status); | |
6590 | mgmt_pending_foreach(MGMT_OP_SET_LINK_SECURITY, hdev, | |
6591 | cmd_status_rsp, &mgmt_err); | |
6592 | return; | |
6593 | } | |
6594 | ||
6595 | if (test_bit(HCI_AUTH, &hdev->flags)) | |
6596 | changed = !test_and_set_bit(HCI_LINK_SECURITY, | |
6597 | &hdev->dev_flags); | |
6598 | else | |
6599 | changed = test_and_clear_bit(HCI_LINK_SECURITY, | |
6600 | &hdev->dev_flags); | |
6601 | ||
6602 | mgmt_pending_foreach(MGMT_OP_SET_LINK_SECURITY, hdev, settings_rsp, | |
6603 | &match); | |
6604 | ||
6605 | if (changed) | |
6606 | new_settings(hdev, match.sk); | |
6607 | ||
6608 | if (match.sk) | |
6609 | sock_put(match.sk); | |
6610 | } | |
6611 | ||
6612 | static void clear_eir(struct hci_request *req) | |
6613 | { | |
6614 | struct hci_dev *hdev = req->hdev; | |
6615 | struct hci_cp_write_eir cp; | |
6616 | ||
6617 | if (!lmp_ext_inq_capable(hdev)) | |
6618 | return; | |
6619 | ||
6620 | memset(hdev->eir, 0, sizeof(hdev->eir)); | |
6621 | ||
6622 | memset(&cp, 0, sizeof(cp)); | |
6623 | ||
6624 | hci_req_add(req, HCI_OP_WRITE_EIR, sizeof(cp), &cp); | |
6625 | } | |
6626 | ||
6627 | void mgmt_ssp_enable_complete(struct hci_dev *hdev, u8 enable, u8 status) | |
6628 | { | |
6629 | struct cmd_lookup match = { NULL, hdev }; | |
6630 | struct hci_request req; | |
6631 | bool changed = false; | |
6632 | ||
6633 | if (status) { | |
6634 | u8 mgmt_err = mgmt_status(status); | |
6635 | ||
6636 | if (enable && test_and_clear_bit(HCI_SSP_ENABLED, | |
6637 | &hdev->dev_flags)) { | |
6638 | clear_bit(HCI_HS_ENABLED, &hdev->dev_flags); | |
6639 | new_settings(hdev, NULL); | |
6640 | } | |
6641 | ||
6642 | mgmt_pending_foreach(MGMT_OP_SET_SSP, hdev, cmd_status_rsp, | |
6643 | &mgmt_err); | |
6644 | return; | |
6645 | } | |
6646 | ||
6647 | if (enable) { | |
6648 | changed = !test_and_set_bit(HCI_SSP_ENABLED, &hdev->dev_flags); | |
6649 | } else { | |
6650 | changed = test_and_clear_bit(HCI_SSP_ENABLED, &hdev->dev_flags); | |
6651 | if (!changed) | |
6652 | changed = test_and_clear_bit(HCI_HS_ENABLED, | |
6653 | &hdev->dev_flags); | |
6654 | else | |
6655 | clear_bit(HCI_HS_ENABLED, &hdev->dev_flags); | |
6656 | } | |
6657 | ||
6658 | mgmt_pending_foreach(MGMT_OP_SET_SSP, hdev, settings_rsp, &match); | |
6659 | ||
6660 | if (changed) | |
6661 | new_settings(hdev, match.sk); | |
6662 | ||
6663 | if (match.sk) | |
6664 | sock_put(match.sk); | |
6665 | ||
6666 | hci_req_init(&req, hdev); | |
6667 | ||
6668 | if (test_bit(HCI_SSP_ENABLED, &hdev->dev_flags)) { | |
6669 | if (test_bit(HCI_USE_DEBUG_KEYS, &hdev->dev_flags)) | |
6670 | hci_req_add(&req, HCI_OP_WRITE_SSP_DEBUG_MODE, | |
6671 | sizeof(enable), &enable); | |
6672 | update_eir(&req); | |
6673 | } else { | |
6674 | clear_eir(&req); | |
6675 | } | |
6676 | ||
6677 | hci_req_run(&req, NULL); | |
6678 | } | |
6679 | ||
6680 | void mgmt_sc_enable_complete(struct hci_dev *hdev, u8 enable, u8 status) | |
6681 | { | |
6682 | struct cmd_lookup match = { NULL, hdev }; | |
6683 | bool changed = false; | |
6684 | ||
6685 | if (status) { | |
6686 | u8 mgmt_err = mgmt_status(status); | |
6687 | ||
6688 | if (enable) { | |
6689 | if (test_and_clear_bit(HCI_SC_ENABLED, | |
6690 | &hdev->dev_flags)) | |
6691 | new_settings(hdev, NULL); | |
6692 | clear_bit(HCI_SC_ONLY, &hdev->dev_flags); | |
6693 | } | |
6694 | ||
6695 | mgmt_pending_foreach(MGMT_OP_SET_SECURE_CONN, hdev, | |
6696 | cmd_status_rsp, &mgmt_err); | |
6697 | return; | |
6698 | } | |
6699 | ||
6700 | if (enable) { | |
6701 | changed = !test_and_set_bit(HCI_SC_ENABLED, &hdev->dev_flags); | |
6702 | } else { | |
6703 | changed = test_and_clear_bit(HCI_SC_ENABLED, &hdev->dev_flags); | |
6704 | clear_bit(HCI_SC_ONLY, &hdev->dev_flags); | |
6705 | } | |
6706 | ||
6707 | mgmt_pending_foreach(MGMT_OP_SET_SECURE_CONN, hdev, | |
6708 | settings_rsp, &match); | |
6709 | ||
6710 | if (changed) | |
6711 | new_settings(hdev, match.sk); | |
6712 | ||
6713 | if (match.sk) | |
6714 | sock_put(match.sk); | |
6715 | } | |
6716 | ||
6717 | static void sk_lookup(struct pending_cmd *cmd, void *data) | |
6718 | { | |
6719 | struct cmd_lookup *match = data; | |
6720 | ||
6721 | if (match->sk == NULL) { | |
6722 | match->sk = cmd->sk; | |
6723 | sock_hold(match->sk); | |
6724 | } | |
6725 | } | |
6726 | ||
6727 | void mgmt_set_class_of_dev_complete(struct hci_dev *hdev, u8 *dev_class, | |
6728 | u8 status) | |
6729 | { | |
6730 | struct cmd_lookup match = { NULL, hdev, mgmt_status(status) }; | |
6731 | ||
6732 | mgmt_pending_foreach(MGMT_OP_SET_DEV_CLASS, hdev, sk_lookup, &match); | |
6733 | mgmt_pending_foreach(MGMT_OP_ADD_UUID, hdev, sk_lookup, &match); | |
6734 | mgmt_pending_foreach(MGMT_OP_REMOVE_UUID, hdev, sk_lookup, &match); | |
6735 | ||
6736 | if (!status) | |
6737 | mgmt_event(MGMT_EV_CLASS_OF_DEV_CHANGED, hdev, dev_class, 3, | |
6738 | NULL); | |
6739 | ||
6740 | if (match.sk) | |
6741 | sock_put(match.sk); | |
6742 | } | |
6743 | ||
6744 | void mgmt_set_local_name_complete(struct hci_dev *hdev, u8 *name, u8 status) | |
6745 | { | |
6746 | struct mgmt_cp_set_local_name ev; | |
6747 | struct pending_cmd *cmd; | |
6748 | ||
6749 | if (status) | |
6750 | return; | |
6751 | ||
6752 | memset(&ev, 0, sizeof(ev)); | |
6753 | memcpy(ev.name, name, HCI_MAX_NAME_LENGTH); | |
6754 | memcpy(ev.short_name, hdev->short_name, HCI_MAX_SHORT_NAME_LENGTH); | |
6755 | ||
6756 | cmd = mgmt_pending_find(MGMT_OP_SET_LOCAL_NAME, hdev); | |
6757 | if (!cmd) { | |
6758 | memcpy(hdev->dev_name, name, sizeof(hdev->dev_name)); | |
6759 | ||
6760 | /* If this is a HCI command related to powering on the | |
6761 | * HCI dev don't send any mgmt signals. | |
6762 | */ | |
6763 | if (mgmt_pending_find(MGMT_OP_SET_POWERED, hdev)) | |
6764 | return; | |
6765 | } | |
6766 | ||
6767 | mgmt_event(MGMT_EV_LOCAL_NAME_CHANGED, hdev, &ev, sizeof(ev), | |
6768 | cmd ? cmd->sk : NULL); | |
6769 | } | |
6770 | ||
6771 | void mgmt_read_local_oob_data_complete(struct hci_dev *hdev, u8 *hash192, | |
6772 | u8 *rand192, u8 *hash256, u8 *rand256, | |
6773 | u8 status) | |
6774 | { | |
6775 | struct pending_cmd *cmd; | |
6776 | ||
6777 | BT_DBG("%s status %u", hdev->name, status); | |
6778 | ||
6779 | cmd = mgmt_pending_find(MGMT_OP_READ_LOCAL_OOB_DATA, hdev); | |
6780 | if (!cmd) | |
6781 | return; | |
6782 | ||
6783 | if (status) { | |
6784 | cmd_status(cmd->sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA, | |
6785 | mgmt_status(status)); | |
6786 | } else { | |
6787 | if (test_bit(HCI_SC_ENABLED, &hdev->dev_flags) && | |
6788 | hash256 && rand256) { | |
6789 | struct mgmt_rp_read_local_oob_ext_data rp; | |
6790 | ||
6791 | memcpy(rp.hash192, hash192, sizeof(rp.hash192)); | |
6792 | memcpy(rp.rand192, rand192, sizeof(rp.rand192)); | |
6793 | ||
6794 | memcpy(rp.hash256, hash256, sizeof(rp.hash256)); | |
6795 | memcpy(rp.rand256, rand256, sizeof(rp.rand256)); | |
6796 | ||
6797 | cmd_complete(cmd->sk, hdev->id, | |
6798 | MGMT_OP_READ_LOCAL_OOB_DATA, 0, | |
6799 | &rp, sizeof(rp)); | |
6800 | } else { | |
6801 | struct mgmt_rp_read_local_oob_data rp; | |
6802 | ||
6803 | memcpy(rp.hash, hash192, sizeof(rp.hash)); | |
6804 | memcpy(rp.rand, rand192, sizeof(rp.rand)); | |
6805 | ||
6806 | cmd_complete(cmd->sk, hdev->id, | |
6807 | MGMT_OP_READ_LOCAL_OOB_DATA, 0, | |
6808 | &rp, sizeof(rp)); | |
6809 | } | |
6810 | } | |
6811 | ||
6812 | mgmt_pending_remove(cmd); | |
6813 | } | |
6814 | ||
6815 | void mgmt_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, | |
6816 | u8 addr_type, u8 *dev_class, s8 rssi, u32 flags, | |
6817 | u8 *eir, u16 eir_len, u8 *scan_rsp, u8 scan_rsp_len) | |
6818 | { | |
6819 | char buf[512]; | |
6820 | struct mgmt_ev_device_found *ev = (void *) buf; | |
6821 | size_t ev_size; | |
6822 | ||
6823 | /* Don't send events for a non-kernel initiated discovery. With | |
6824 | * LE one exception is if we have pend_le_reports > 0 in which | |
6825 | * case we're doing passive scanning and want these events. | |
6826 | */ | |
6827 | if (!hci_discovery_active(hdev)) { | |
6828 | if (link_type == ACL_LINK) | |
6829 | return; | |
6830 | if (link_type == LE_LINK && list_empty(&hdev->pend_le_reports)) | |
6831 | return; | |
6832 | } | |
6833 | ||
6834 | /* Make sure that the buffer is big enough. The 5 extra bytes | |
6835 | * are for the potential CoD field. | |
6836 | */ | |
6837 | if (sizeof(*ev) + eir_len + scan_rsp_len + 5 > sizeof(buf)) | |
6838 | return; | |
6839 | ||
6840 | memset(buf, 0, sizeof(buf)); | |
6841 | ||
6842 | bacpy(&ev->addr.bdaddr, bdaddr); | |
6843 | ev->addr.type = link_to_bdaddr(link_type, addr_type); | |
6844 | ev->rssi = rssi; | |
6845 | ev->flags = cpu_to_le32(flags); | |
6846 | ||
6847 | if (eir_len > 0) | |
6848 | memcpy(ev->eir, eir, eir_len); | |
6849 | ||
6850 | if (dev_class && !eir_has_data_type(ev->eir, eir_len, EIR_CLASS_OF_DEV)) | |
6851 | eir_len = eir_append_data(ev->eir, eir_len, EIR_CLASS_OF_DEV, | |
6852 | dev_class, 3); | |
6853 | ||
6854 | if (scan_rsp_len > 0) | |
6855 | memcpy(ev->eir + eir_len, scan_rsp, scan_rsp_len); | |
6856 | ||
6857 | ev->eir_len = cpu_to_le16(eir_len + scan_rsp_len); | |
6858 | ev_size = sizeof(*ev) + eir_len + scan_rsp_len; | |
6859 | ||
6860 | mgmt_event(MGMT_EV_DEVICE_FOUND, hdev, ev, ev_size, NULL); | |
6861 | } | |
6862 | ||
6863 | void mgmt_remote_name(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, | |
6864 | u8 addr_type, s8 rssi, u8 *name, u8 name_len) | |
6865 | { | |
6866 | struct mgmt_ev_device_found *ev; | |
6867 | char buf[sizeof(*ev) + HCI_MAX_NAME_LENGTH + 2]; | |
6868 | u16 eir_len; | |
6869 | ||
6870 | ev = (struct mgmt_ev_device_found *) buf; | |
6871 | ||
6872 | memset(buf, 0, sizeof(buf)); | |
6873 | ||
6874 | bacpy(&ev->addr.bdaddr, bdaddr); | |
6875 | ev->addr.type = link_to_bdaddr(link_type, addr_type); | |
6876 | ev->rssi = rssi; | |
6877 | ||
6878 | eir_len = eir_append_data(ev->eir, 0, EIR_NAME_COMPLETE, name, | |
6879 | name_len); | |
6880 | ||
6881 | ev->eir_len = cpu_to_le16(eir_len); | |
6882 | ||
6883 | mgmt_event(MGMT_EV_DEVICE_FOUND, hdev, ev, sizeof(*ev) + eir_len, NULL); | |
6884 | } | |
6885 | ||
6886 | void mgmt_discovering(struct hci_dev *hdev, u8 discovering) | |
6887 | { | |
6888 | struct mgmt_ev_discovering ev; | |
6889 | struct pending_cmd *cmd; | |
6890 | ||
6891 | BT_DBG("%s discovering %u", hdev->name, discovering); | |
6892 | ||
6893 | if (discovering) | |
6894 | cmd = mgmt_pending_find(MGMT_OP_START_DISCOVERY, hdev); | |
6895 | else | |
6896 | cmd = mgmt_pending_find(MGMT_OP_STOP_DISCOVERY, hdev); | |
6897 | ||
6898 | if (cmd != NULL) { | |
6899 | u8 type = hdev->discovery.type; | |
6900 | ||
6901 | cmd_complete(cmd->sk, hdev->id, cmd->opcode, 0, &type, | |
6902 | sizeof(type)); | |
6903 | mgmt_pending_remove(cmd); | |
6904 | } | |
6905 | ||
6906 | memset(&ev, 0, sizeof(ev)); | |
6907 | ev.type = hdev->discovery.type; | |
6908 | ev.discovering = discovering; | |
6909 | ||
6910 | mgmt_event(MGMT_EV_DISCOVERING, hdev, &ev, sizeof(ev), NULL); | |
6911 | } | |
6912 | ||
6913 | static void adv_enable_complete(struct hci_dev *hdev, u8 status) | |
6914 | { | |
6915 | BT_DBG("%s status %u", hdev->name, status); | |
6916 | } | |
6917 | ||
6918 | void mgmt_reenable_advertising(struct hci_dev *hdev) | |
6919 | { | |
6920 | struct hci_request req; | |
6921 | ||
6922 | if (!test_bit(HCI_ADVERTISING, &hdev->dev_flags)) | |
6923 | return; | |
6924 | ||
6925 | hci_req_init(&req, hdev); | |
6926 | enable_advertising(&req); | |
6927 | hci_req_run(&req, adv_enable_complete); | |
6928 | } |